2018.02.12 1.4.1.13441 updates the most substantial 2018.01.24 1.4.0.13333:

http://www.hpmuseum.org/forum/thread-10219.html
http://www.hpmuseum.org/forum/thread-10061.html

In short:

• Use the new Graph 3D app for plotting functions that define Z in terms of X and Y
• Explore math functions through touch using the newly enhanced unified Explorer app
• Easily toggle decimals to special values of (a/b)*π, (a/b)*√(c/d), ln(a/b), and e^(a/b)
• Calculate bonds, cash flows, dates and more with the greatly enhanced Finance app
• Improved help throughout the system with more examples
• Improved user experience in finding functions and variables
• Quality and reliability improvements through the system

HP Prime Firmware: www.hpcalc.org/details/7469 ftp://ftp.hp.com/pub/calculators/Prime/HP_Prime_Calculator_Firmware_20180212.zip
HP Connectivity Kit: www.hpcalc.org/details/7444 ftp://ftp.hp.com/pub/calculators/Prime/HP_Prime_Connectivity_Kit_20180212.exe
HP Prime Virtual Calculator Emulator: www.hpcalc.org/details/7468 ftp://ftp.hp.com/pub/calculators/Prime/HP_Prime_Virtual_Calculator_2018_02_12.exe
HP Connectivity Kit for MacOS: www.hpcalc.org/details/7798 ftp://ftp.hp.com/pub/calculators/Prime/HP_Prime_Connectivity_Kit_20180212.dmg
HP Prime Virtual Calculator for MacOS: www.hpcalc.org/details/7799 ftp://ftp.hp.com/pub/calculators/Prime/HP_Prime_Virtual_Calculator_2018_02_12.dmg

HP Prime – Release Notes
-------------------------

Date Released: 2018/02/12

Internal Versions
-----------------
Firmware Version:   2018 02 12 (13441)
Virtual Calculator Version:   2018 02 12 (13441)
Connectivity Kit:   2018 02 12 (13441)

Description
-----------
Primary focus in this release is to correct some regressions introduced in last version. Think of this release as a re-release of the previous version 2018 02 12 (13333).


Resolved issues and changes excluding CAS
-----------------------------------------
1. Resolved issue with DIMGROB command causing issues with existing programs
2. Resolved issue with empty list in geometry
3. Resolved issue with some unicode characters
4. Resolved issue with EXPR and nested list calling
5. Resolved issues with a few spelling or syntax issues in the on-calc help.


Resolved issues and changes in CAS
----------------------------------
1.   Resolved issue with | in the CAS creating permanent variable

HP Prime – Release Notes
-------------------------

Date Released: 2018/01/24

Internal Versions
-----------------
Firmware Version:   2018 01 24 (13333)
Virtual Calculator Version:   2017 01 24 (13333)
Connectivity Kit:   2017 01 24 (13333)

Description
-----------
This release of the Prime Calculator firmware and associated PC software delivers significant new features and fixes outstanding issues. This document is not a complete list of all changes, but highlights specific items. All users of the HP Prime calculator are encouraged to upgrade for the best possible experience.

Please back up your calculator before the update. Any existing data on the device may be wiped during the update process.

Primary focus in this release is new apps and app enhancement.

Graph 3D:
1. Symbolic view:
a. Enter up to 10 definitions for Z as a function of X and Y
2. Plot view:
a. Use touch screen to view plots from different positions
b. Plot multiple surfaces simultaneously to see how they relate to each other
c. Choose surface coloring options to bring out features of plots
i. Top / Bottom: allows shading to communicate shape without distraction
ii. Checkerboard: emphasizes connection between surface shape and X / Y coordinates
iii. Elevation: emphasizes Z connection between surface shape and Z coordinate.
iv. Slope: reveals X / Y partial derivative features of surface - such as minima, maxima, and saddle points
d. Surface coloring options can be controlled via Plot Setup and, for quick changes, via the Plot view's contextual menu
e. Change function definitions while in the plot view to see how surfaces depend on constants
3. Plot Setup
a. Change grid size to trade off calculation speed against quality of visual results

Finance App:
1.   New Financial Calculations supported:
a.   Interest Conversion
b.   Date Calculations
c. Cash flow calculations
d.   Depreciation calculations
e.   Break-even calculations
f.   Percent change calculations
g.   Bond calculations
h.   Black-Scholes calculations
2. Plot views for TVM and Cashflows
3. Table based depreciation and cashflow calculations

Explorer app:
1. Replaces existing 3 explorer apps
2. Allows exploration of:
a.   Linear
b.   Quadratic
c.   Cubics
d.   Exponential
e.   Logarithmic
f.   Trigonometric
3. Explore using a familiar interface shared with the Function app
a.   Touch and manipulate graphs directly
b.   View tables of values
c.   Directly edit expressions and see changes.
d.   Calculate table of variations directly


New Functionality (Connectivity Kit)
---------------------------------------
1.   Improved color pickers using a system default window

New Functionality (Calculator Software)
---------------------------------------
1.   New Graph 3D app
2.   New unified Explorer app
3.   Extensive enhancements to Finance app
4.   Improved graphics and interface for PC version of the HP Prime. Better color contrast, hover, and key clicked images.
a.   User created skins may now be installed in "<Documents>/HP Prime/Skins" directory
5.   Upgraded CAS to latest version. Also turned on many new CAS commands:
a.   adjoint_matrix
b.   bernoulli
c.   blockmatrix
d.   c1oc2
e.   c1op2
f.   changebase
g.   colspace
h.   count_eq
i.   count_inf
j.   count_sup
k.   cycle2perm
l.   cycleinv
m.   cycles2permu
n.   dfc
o.   dfc2f
p.   domain
q.   evalb
r.   groupermu
s.   is_cycle
t.   is_permu
u.   lll_reduce
v.   nop
w.   p1oc2
x.   p1op2
y.   perminv
z.   permu2cycles
A.   permu2mat
B.   permuorder
C.   rowspace
D.   simplex_reduce
E.   tabvar
F.   tcoeff
G.   chisquaret
H.   kolmogorovd
I.   kolmogorovt
J.   multinomial
K.   randvector
L.   wilcoxonp
M.   wilcoxons
N.   wilcoxont
M.   insert

6.   User key defines have been repositioned in the key handling process. They now will be done FIRST before anything else
a. Now all keys can be defined except SHIFT button, OFF and USER key.
b.   Returning -1 will do NO operation in user key definition.
c.   Returning -2 or less will perform default key behavior.
d.   Be careful with your key definitions or you may hide some system functionality unintentionally

7.   Internal color has been reworked to use 32 bit color. This means images as backgrounds will look nicer and gradients will look nicer. Programmer will appreciated the rework to make sure all ALPHA information for drawing commands behaves consistently.
8.   ROTATE command upgraded to allow rotation of GROB objects.
9.   Added the ability for small plots in Home/CAS history to display fullscreen using the "Show" menu key
10.   Added useful information from AProgram and Programs variables to provide information on compilation failures to programmer if needed
11. Greatly enhanced toolbox catalog
a.   Catalog now adds user items, CAS functions, and app functions
b.   Search indicator highlights search capability better
c.   Info icon allows viewing of total number of defined functions and useful information
d.   App functions are visible with application icon in choose next to function name

12.   Added a variable catalog that lists all system variables. Look and feel similar to new function catalog.
13.   Removed Finance function "DoFinance( )" as it was no longer useful. Other similar functions in other apps (such as DoInference, Do1VStats, LinSolve) are scheduled for deprecation in a future release
14.   Improved help for programming and drawing commands by creating example programs showing utilization. These may also be used as a template for new programs created through the program catalog
15. New "Empty" application.
a. This is meant to be for programmers to make stand alone applications that do not reuse any existing app views
b.   HP recommends using this app type if you are creating a brand new app
c.   Access the "Empty" app by saving a copy of the existing app, and picking "None" as your base app type

16.   Added support for more standard derivative form in Function app
17.   Improved graphing of continuous functions in the Function app to improve graphing of vertical asymptotes
18.   Added ability to do multiple implicit differentiation - ex: implicit_diff(x^2+y^2-5,x,y,2)
19. Added SUPPRESS and INSERT commands for list/matrix/vect/string. Also added new CAS "insert" command
20.   Added a new date picker through system in places where dates are asked as input. Added CHOOSEDATE user command to get date input in HPPPL.
21. Added two new spreadsheet app functions - ClearCell and CellHasData
22.   CAS random number generator changed to use meserene twister
23.   Added →Qπ function and modified the [a b/c] key in Home to cycle through this value first, then PDQ fraction, then mixed fraction, then back to decimal.
24.   Modifed WAIT(0) to not time out at 60s, but timeout 100ms before TOff auto power off time.
25. Added a new command QPI and bound to the home [a b/c] key. Allows finding rational ratios of a/b, c/d*sqrt(a/b), a/b*pi, etc.

Resolved issues and changes excluding CAS
-----------------------------------------
1.   Resolved issue with digit grouping in User function define box
2.   Resolved issue with allocation of too much memory on a string program call
3.   Resolved issue with the ESC key in the program editor not exiting the copy menu like the rest of the system
4.   Resolved issue with BINOMIAL_CDF losing precision at extreme values
5.   Resolved issue with slant on ' " characters used in DM'S" angles in monospaced and bold fonts
6.   Resolved issue with Android version losing first character when calling UPPER or LOWER on a string
7.   Resolved issue with longer variable names in Solve app being hidden with ...
8.   Resolved issue where logistic fit performed strangely with out of order data points
9.   Resolved issue with using a list directly in Stat 1/2 Var app for columns on subsequent calculations
10.   Resolved several issues with graphical drawing command consistency and ALPHA values
11.   Resolved issue with "Info( )" and "Reset( )" functions in custom app programs not working as described
12.   Resolved issue with INPUT when choose list field was defined as null
13.   Resolved issue with INPUT not accepting/converting fields that are specified as Real/Int to expected values - auto converts if possible now   
14.   Resolved issue allowing HVars to define user defined functions (similar to define box) with a more compact sytax - HVars("foo",{"A","B"}):='A*SIN(B)'
15.   Resolved issue with PRINT to ensure last printed item is shown on the screen instead of top of terminal
16.   Resolved issue where a vector*matrix could sometimes return extra invalid numbers in resultant vector
17.   Resolved issue with "order_size(n)" returned as part of taylor polynomial preventing graphing in function app
18.   Resolved issue with derivatives of inverse trig functions in Degrees or Gradians using home numerical deriv
19.   Resolved issue with [i, -i] .^ -1
20.   Resolved issue with the negative sign being hard to read sometimes, especially on fractions
21.   Resolved issue with ADDCOL transforming matrices to complex matrices internally
22.   Resolved issues with too long names being accepted - EXPORT thisismyreallylongname12345678901234567890( ) accepted and would cause many issues
23.   Updated constants to used NIST 2014 values.
24.   Resolved issue with parenthesis being needed for limit, sum, product, diff, int followed by a power for clarity
25. Resolved issue with FREEZE functionality not behaving as expected
26.   Changed WAIT(0) to time out roughly 100ms before auto-power off happens rather then 60s.
27. Resolved issue with line plot in stat 1 var ignoring frequencies.


Resolved issues and changes in CAS
----------------------------------
1.   Resolved issue with e^(1+i) dropping parenthesis on copy
2.   Resolved issue with int((((144)+((((981/100))^(2))*((x)^(2))))-((((24)*((981/100)))*(x))*(sin((40)*(pi/180)))))^((5/10)),x,0,181/100)
3.   Resolved issue with int(exp(-x),x,inf,-inf)
4.   Resolved issue with diff(Beta(3, 4, x, 1))
5.   Resolved issue with fPart not appearing in catalog
6.   Improved printing of (x^2)' or similar will now print using ' instead of diff(x^2)
7.   Resolved issue with simplify(atan(3^(1/3)/sqrt(7))+5)
8.   Add horner(P,x,newton) for Newton iteration on polynomials
9.   Resolve issue with sum(1/X^2,X,1,inf)
10.   Resolve issue with lu([1,2,3])
11.   Resolve issue with pmin for nilpotent matrices (when proba_epsilon==0)
12.   Resolved issue with limit(x^2*sec((1/x)),x,0)
13.   Resolved issue with solve(solve([v10^2+v9^2-1,v10*v9^2-v10*v9+v9^2-v9,v9^3-2*v10*v9-v9^2+2*v10-2*v9+2],[v10,v9]))
14.   Resolved issue with solve([y-u1+u2=0,x-2*u1*y+u3=0,u1*(2-x-y^2)=0,u2*x=0,u3*y=0],[x,y,u1,u2,u3])
15.   Resolved issue with row reduction with parameters when det==0
16.   Resolved issue with printing NOT (NOT (x>5) OR x>3 | x=1)
17.   Improved solve for quadratic equations like csolve(x^2-(1+sqrt(3))*x+2) or csolve(i*x^2+x+1)
18.   Resolved issue with series(Si(u), u=0, 7)
19. Resolved issue with cos/sin(2*pi/6-pi/3)
20.   Resolved issue with derivative of Beta function
21.   Auto-extend the field for eigenstuff, auto-extend the field for + - * / if arguments belong to a different finite field with same characteristic
22.   Resolved issue with solve(4≥(y^2+1),y^2)
23.   Resolved issue with $ with step if variable is affected (like in k:=3; [(k^2)$(k=2..11,3)])
24.   Resolved issue with fix for upper incomplete gamma function with negative second argument, int(exp(x^3),x,0,6) is now working
25.   Resolved issue with idivis of integers >= 231
26.   Resolved issue with Psi(x,0)
27.   Resolved issue with desolve(diff(y)=a*cos(y)-b,y)
28.   Resolved issue with zeros(x^4 - 3x^3 - 2.75x² + 12x - 5)

Python programming language for HP 49/50g (and TI 83/84):

Python4Calculators
http://py4calc.sourceforge.net/
https://sourceforge.net/projects/py4calc/
http://www.hpcalc.org/details/7800

New calculator OS, Connectivity Kit and Virtual Calculator at ftp://ftp.hp.com/pub/calculators/Prime/

HP Prime – Release Notes
-------------------------

Date Released: 2016/08/29

Internal Versions
-----------------
      Firmware Version:    2016 08 29 (10637)
      Virtual Calculator Version:    2016 08 29 (10637)
      Connectivity Kit:    2016 08 29 (10637)

Description
-----------
This maintenance release of the Prime Calculator firmware and associated PC software delivers fixes to outstanding issues. This document is not a complete list of all changes, but highlights specific items. All users of the HP Prime calculator are encouraged to upgrade for the best possible experience.

Please back up your calculator before the update. Any existing data on the device may be wiped during the update process.


New Functionality (Connectivity Kit)
---------------------------------------
1.   Improved USB communication speed and reliability to Prime calculator
 
New Functionality (Calculator Software)
---------------------------------------
1.   Changed Sequence Symb view to improve operation
2.   Improve memory handling when receiving larger files coming from connkit
3.   Improve linear solver app to use more digits internally to enhance precision

Resolved issues and changes excluding CAS
-----------------------------------------
1.   Resolved issue when deleting the backups using shift-clear in memory manager
2.   Resolved issue with overwrite backup with no prompt or warning
3.   Resolved issue with 'Airy' CAS functions being in catalog unintentionally
4.   Resolved issue with BLIT incorrectly reporting syntax error with 12 arguments
5.   Resolved issue with r8151 and earlier notes not being directly loadable
6.   Resolved issue with complex settings being linked incorrectly with home/CAS
7.   Resolved issue with dot operator .^ in home not working like r8151
8.   Resolved issue with INPUT string getting double quotes. str:="test"; INPUT({{str,[2]}})
9.   Resolved issue with Ans pointer and simplify/exact/approx key clicks
10.   Resolved issue with multiple equation solving in solve app not returning result for short answers
11.   Resolved issue with Sequence Symb view and tapping in certain state and place
12.   Resolved issue with RECT transparency (and others) not matching r8151 behavior
13.   Resolved issue with switching digit grouping - even with pragma in source
14.   Resolved issue with GRAD mode and ARG function
15.   Resolved issue with AFilesB on hardware calculator alone
16.   Resolved issue with 2 argument IFTE in advanced grapher
17.   Resolved issue with high CPU use in connkit
18.   Resolved issue with graphing when using chained comparison operators to match rest of system
19.   Resolved issue with memory browse screen taking a longer time to load
20.   Resolved issue with SCALE
21.   Resolved issue with (,) for decimal in number and the Solve app
22.   Resolved issue with search in help tree being case sensitive
23.   Resolved issue with drawing a vector of plotparam in geometry app
24.   Resolved issue with showing strange numbers in stat app results instead of NaN
25.   Resolved issue where a sketch in stat 2var application would sometimes disappear
26.   Resolved issue in Function app where the cached derivate was used on tangent/slope
27.   Resolved issue INTERSECT of a single list returned a list of 0
28.   Resolved issue with ARG returning error on 0
29.   Resolved issue with "shift" function not appearing in command catalog
30.   Resolved issue with DelAVars

Resolved issues and changes in CAS
----------------------------------
1.   Resolved issue with numer/denom("string"/1)
2.   Resolved issue with EIGENVV([[2,0,0,0],[2,2,0,0],[1,-1,2,-1],[0,1,0,2]])
3.   Resolved issue with a:=(2^(4*x)+4^(2x))/4^(2x+1); limit(a,x=inf);
4.   Resolved issue with intersection of hyperbolics
5.   Resolved issue with is_element on certain figures
6.   Resolved issue with integrate(1/sqrt(-9-x^2))
7.   Resolved issue with int(cos(x^2/2),x,1.,-1.)
8.   Resolved issue with solve(abs(6x - 3) + abs(6x + 9) - 12=0);
9.   Resolved issue with desolve(y'+y=2*exp(-x) and y(0)=3)
10.   Resolved issue with substitution returning wrong limits like for limit((x^2-121/25)/(x-11/5),x,11/5)
11.   Resolved issue with a:=sqrt(3)*1/30*atan(2*(-(sqrt(3))/2+tan(5*x)^(1/3))); simplify(a);
12.   Resolved issue with int((a*sec(x)^2-sin(2*x))*(cot(x)^3+1),x)
13.   Resolved issue with int(abs(2x-5),x,0,5);
14.   Resolved issue with int(1/sqrt(-9-x^2))
15.   Resolved issue with int(cos(x^2/2),x,1.,-1.)
16.   Resolved issue with int(1/(1+x^2)) in degree mode
17.   Resolved issue with fsolve([X^2-Y-1=0,-X+Y^2-1=0],[X=0,Y=0])
18.   Resolved issue with int(ln(tan(x))/(sin(x)*cos(x)))

Thnaks to John H Meyers for these marvel programs https://groups.google.com/forum/#!topic/comp.sys.hp48/Ud03tImdu-w:

%%HP: T(3)A(R)F(.); @ HP49 ONLY! - downloadable file (use Kermit)

@ Programs ENG-> and ENG<- accept REAL numbers (no units),
@ changing the exponent by 3 each time (displaying as a string);
@ use NORM to change string back to the original real number:

\<< { * - } ENGX \>> 'ENG\->' STO

\<< { / + } ENGX \>> 'ENG\<-' STO

\<< STR\-> \>> 'NORM' STO

@ Subroutine (not for direct use):
\<< LIST\-> DROP RCLF \-> a b f \<<
  { { 514. DOERR } { 3. EXP ENG \->STR { DROP DROP } ENGX }
  { DUP "E" POS DUP2 1. + OVER SIZE SUB UNROT 1. - 1. SWAP SUB
  DUP STR\-> 3. ALOG a EVAL STD \->STR DUP "E" POS { DROP SWAP }
  { SWAP DROP SWAP STR\-> 3. b EVAL \->STR
  1. OVER SIZE 1. - SUB } IFTE "E" SWAP + + } } { 0. 2. }
  3. PICK TYPE POS 1. + GET EVAL f STOF  \>> \>> 'ENGX' STO


@ Programs U-> and U<- accept UNIT objects only,
@ transforming them to other equivalents
@ using different unit prefixes, e.g.  123.4_m = .1234_km

\<< 0. UU \>> 'U\->' STO

\<< 1. UU \>> 'U\<-' STO

@ Subroutine (not for direct use):
\<< \<<
  "yzafpn\Gmm.kMGTPEZYYc.d.Dkhk"
  "YZEPTGMk.m\Gmnpfazyyh.D.dmcm"
  IFTE DUP ROT POS 1. + DUP SUB \>> \-> d p
  \<< DUP TYPE 13. \=/ { 514. DOERR } IFT DUP
  :INNERCOMP: #54AFh SYSEVAL :{}N: #5459h SYSEVAL
  DUP 2. GET "1" SAME 3. 2. IFTE DUP2 GET
  IF DUP TYPE 24. == THEN :CHR>$: #37AA5h SYSEVAL d p EVAL NUM
  IF DUP 46. \=/ THEN :COERCE: #262F1h SYSEVAL
  :#>CHR: #5A75h SYSEVAL 1. \->LIST REPL
  ELSE DROP DUP2 1. SWAP 1. - SUB UNROT DUP2 1. + GET
  UNROT 3. + OVER SIZE SUB + + END
  ELSE UNROT DUP2 1. SWAP 1. - SUB UNROT 1. + OVER SIZE SUB
  ROT "." d p EVAL NUM :COERCE: #262F1h SYSEVAL
  :#>CHR: #5A75h SYSEVAL SWAP :umP: #2D76Dh SYSEVAL 3. \->LIST
  SWAP + +  END :INNERCOMP: #54AFh SYSEVAL
  :EXTN: #5481h SYSEVAL CONVERT \>> \>> 'UU' STO

{ ENG\-> ENG\<- NORM ENGX U\-> U\<- UU } ORDER

@ End of HP49 downloadable file (EVALuate it to install programs)
examples
0.01 'ENG\->' 10.E-3 'ENG\->' 10000.E-6 'ENG\->' 10000000.E-9 'ENG\->' 10000000000.E-12
0.01 'ENG\<-' 10.E-3 'ENG\<-' .01E0 'ENG\<-' .00001E3 'ENG\<-' .00000001E6 'ENG\<-' .00000000001E9
5000.E-3 'NORM' --> 5.

examples with units
'1_m' 'U\->' '1000._mm' 'U\->' '1000000._\Gmm' ('\Gm' = 'μ')
'1_m' 'U\<-' '.001_km' 'U\<-' '.000001_Mm'


Recently TI-Planet website launched a new version of PDF File Converter for HP Prime, already adapted to the new firmware (10077):

mViewer GX2
https://tiplanet.org/gxprime



Now you can create documents with hundreds of pages without crashing. The entire article on mViewer GX2 (in french) is at this link:
https://tiplanet.org/forum/viewtopic.php?p=200656#p200656

sometimes the pictures explain better than words





reference:
https://en.wikipedia.org/wiki/Reverse_Polish_notation
https://en.wikipedia.org/wiki/RPL_(programming_language)
http://hansklav.home.xs4all.nl/rpn/

New firmware, virtual calculator and connkit
direct link at ftp://ftp.hp.com/pub/calculators/Prime/

HP Prime – Release Notes
-------------------------

Date Released: 2015/04/27

Internal Versions
-----------------
          Firmware Version:    2015 04 27 (7820)
Virtual Calculator Version:    2015 04 27 (7820)
          Connectivity Kit:    2015 04 27 (7820)

Description
-----------
This release of the Prime Calculator firmware and associated PC software delivers significant new features and fixes outstanding issues. This document is not a complete list of all changes, but highlights specific items. All users of the HP Prime calculator are encouraged to upgrade for the best possible experience.

Primary focus in this release is enhancements to statistics and graphing gestures.

Statistics 1 Variable:
1.   Symbolic view improvements:
  a.   Adds plot types:
    i   Control
    ii   Dot
    iii Steam and leaf
    iv   Pie
  b.   Box and whisker selection of outlier inclusion
  c.   Non-integer frequency
2.   Plot view improvements:
  a.   Plots of various types may be displayed
  b.   Transparency used for color fill
3.   Numerical view improvements:
  a.   Creation of additional columns beyond D1-D0
  b.   Ability to rename columns
  c.   Allows up to 10000 numbers per column
  d.   Better selection, movement and operations for editing

Statistics 2 Variable:
1.   Symbolic view improvements:
  a.   Adds med-med regression
  b.   Adds frequency definition
  c.   Adds more plot mark options and color selection
2.   Plot view improvements:
  a.   Fit disabled by default
3.   Numerical view improvements:
  a.   Creation of additional columns beyond C1-C0
  b.   Ability to rename columns
  c.   Allows up to 10000 numbers per column
  d.   Better selection, movement and operations for editing

Inference:
1.   Symbolic view improvements:
  a.   Adds 1 way ANOVA
2.   Plot view improvements:
  a.   Plot view now exists for all calculation types

Function:
1.   Plot view improvements:
  a.   Ability to pinch/zoom in the X direction only or Y direction only
  b.   Ability to sketch a function directly of the types exp, ln, sin, x^2, linear

 
New Functionality (Connectivity Kit)
------------------------------------
1.   Application names not being translated in connkit
2.   Ability to view Home Variables, CAS variables, App Variables, and App Files
3.   Ability to add application icon to an application
4.   Program editor uses monospaced font and has line numbers


New Functionality (Calculator Software)
---------------------------------------
1.   Added more distribution functions – density/cumulative/inverse: beta, exponential, gamma, geometric, negbinomial, uniform, weibull
2.   Added more random generation functions: binomial, chisquare, fisher, geometric, poisson, student
3.   Added functions DDAYS, DATEADD, DATEDAY
4.   Added application variables AFiles, AFilesB and DelAFiles. Allows direct access of application specific files
5.   Added variables HVars and DelHVars. Allows direct creation and access of home variables
6.   Added application variables AVars and DelAVars. Allows direct creation and access of application specific variables
7.   Applications now individually contained inside a directory structure to group variables and files together
8.   Sequence application can start at a location from 0-1000. Less stringent checking of recursion to allow things like U1(U2(N-1))
9.   Improved on-calculator DEBUG interface
10.   Added ability for title and display only in EDITLIST and EDITMAT
11.   Improved copy and paste in table editors through entire system
12.   Added CellName variable in spreadsheet to interact with names
13.   Added Cursor variable in spreadsheet to place cursor and selection
14.   Added a product template for 2D equation entry/display
15.   Improved plot/object drawing in CAS history to allow geometry objects and plots to be directly displayed
16.   Added MEMORY command to allow programs to check space
17.   Added UPPER and LOWER string commands to convert case
18.   Added display of G0-G9 in history
19.   Added ability to use + and – keys directly for one directional limits
20.   Added ability to use non-real inputs in the program catalog RUN menu
21.   Added clear confirmation on programs and note editor


New Functionality (Virtual Calculator)
--------------------------------------
1.   Ability to copy from 2D table/grid editor and paste to other programs like spreadsheets


Resolved issues and changes excluding CAS
-----------------------------------------
1.   Resolved issue with local variable initialization in a program with using a complex number
2.   Renamed “Program” and “Note” into “AProgram” and “ANote” to distinguish better from variables “Programs” and “Notes”
3.   Resolved issue with having a space before the #end in a #cas #end block
4.   Resolved issue with local lists to allow local l= {{{1,2}}}; l(1,1,2);
5.   Resolved issue with FOR STEP not rounding step calculation
6.   Resolved issue with sqrt from catalog not placing cursor nicely
7.   Improved setting/getting in stats using H1-H5, S1-S5
8.   Resolved issues with the Instruction(n) command
9.   Resolved issue where connkit causes emulator to not connect to streamer on connection if the connkit was running
10.   Improved interval arithmetic in advanced grapher for non-negative integer exponents
11.   Resolved issues with use of Notes variable
12.   Resolved issue with unit display in CAS using units in 2D display
13.   Resolved issue with Physics constants not being disabled in exam mode
14.   Improved named spreadsheet cells to appear in app variable menu
15.   Resolved issues with INPUT command
16.   Resolved issue with nested CHOOSE calls used from user key
17.   Resolved issue with program catalog "RUN" button and terminal

Resolved issues and changes in CAS
----------------------------------
1.   Resolved issue with sum((-1)^k/k^2,k,1,inf)
2.   Return exact answer for some integrals like int(t^3/(exp(t)-1),t,0,inf)
3.   Added numeric evaluation of digamma and polygamma function Psi
4.   Resolved issue with variable in Dirac for ilaplace, e.g. ilaplace(2,x,t)
5.   Resolved issue with desolve(y''=(2)-(exp(-(x))))
6.   Return simpler solutions for some linear diff eqs
7.   Return something simple for things like sqrt(3)*(2*x)^(1/3)/(3x)^(1/4)
8.   Resolved issue with SVD and symmetric matrices
9.   Resolved issue with limit((tan(x)-x)/x^3,x=inf)
10.   Resolved issue with int(1/sin(x^-1))
11.   Resolved issue with arcLen(ln(cos(x)),x,0,pi/4)
12.   Resolved issue with randMat(5,5,4,7)
13.   Resolved issue with frequencies median([5,6,2,3],[2,2,2,2])
14.   Improved variable guessing in desolve
15.   Resolved issue with limit(√(x^2+2*x+1)-(√(x^2)),x,∞)
16.   Resolved issue with int(1/(cos(x)^4+sin(x)^4),x,0,pi)
17.   Resolved issue to avoid long calculations in nested sqrt simplification

-----------------------------------------------------------------------------
Previous Versions
-----------------------------------------------------------------------------

Date Released: 2014/12/03

Internal Versions
-----------------
          Firmware Version:    2014 12 03 (6975)
Virtual Calculator Version:    2014 12 03 (6975)
          Connectivity Kit:    2014 12 03 (6975)

Description
-----------
This release of the Prime Calculator firmware and associated PC software delivers significant new features and fixes outstanding issues. This document is not a complete list of all changes, but highlights specific items. All users of the HP Prime calculator are encouraged to upgrade for the best possible experience.

Primary focus in this release was enhancements to communication and wireless.

New Functionality (Connectivity Kit)
------------------------------------
User interface refined and improved.
Much more reliable and capable communication.
Multiple antennas supported for wireless communication.
Progress bars are now shown for individual units during transfer data transfer.
Much nicer "firmware update" window - adds support for detection of multiple units and more ways to receive prompts for updating units.
Now possible to send a single item from one unit to everyone in the class in a single step.
Improvements to screen monitoring.

New Functionality (Calculator Software)
---------------------------------------
Added lower/upper optional inputs in cumulative probability functions. Binomial arguments now consistently ordered.
Add ability to mix and edit CAS functions inline as part of larger programs - #cas to start a block, and #end to end it.
New variables Notes and Programs created to allow programatic access.
Geometry variables Instruction and DelInstruction provide programatic access to geometry constructions.
Much faster scrolling in large notes, programs and equations.
There is now an "Info" menu key in the memory manager. It reports free ram and available storage.
VARS menu now has a "system" group which contains general system variables.
TOff variable introduced. It is a millisecond value with minimum of 5s.
TIME was renamed to TEVAL to avoid confusion with Time variable. Also now shows up in the catalog.
SERIAL and VERSION commands introduced.
Added an implicit_diff command to simplify implicit differentiation steps.
Improved help throughout system and connected it in more places.


New Functionality (Virtual Calculator)
--------------------------------------
Japanese user interface turned on for menus.
There is now an "Info" menu key in the memory manager. It reports used ram and available storage.


Resolved issues and changes excluding CAS
-----------------------------------------
0. Resolved issue with x^2 key in RPN and potential problem with app saving/removal.
1. Resolved potential issue pasting formatted text into notes.
2. Improved cursor positioning when working with very large notes or programs.
3. Resolved issues with style selection in note editor.
4. Resolved issue using large font in inference table view.
5. Resolved issue storing into some inference variables from the command line.
6. Improved spreadsheet to allow loading old format without issue.
7. Resolved issue where plotfunc in command line could blink while help was open.
8. Resolved issue with vector use involving MAKELIST and list2mat.
9. Resolved issues with printing some messages from the CAS.
10. Resolved issue where connectivity kit did not allow an empty password for exam mode.
11. e^t^2 not printing with parens making it appear wrong. As part of fix, removed superscript 2 character from [x^2] key. Now does ^2 instead.
12. Resolved some issues with various FILLPOLY inputs.
13. Resolved issue with Send button not showing up on the emulator when selected to communicate with a calculator.
14. Resolve issue in connectivity kit where menu cut/copy/paste were not always working in some places.
15. Improved poll response to prompt for verification on single send, or with missing responses.
16. Resolved issue with digit grouping making equations appear strangely in a few locations.
17. Resolved an issue where [a b/c] could hide a negative sign.
18. Resolved issue with using matrix store notation M1(5,1) on a vector.
19. Resolved many issues in INPUT command. Also, chooser indexes in INPUT command were 0 based instead of 1.
20. Introduced "Fit" variable in 2var statistics to programmatically control fit line removal.
21. Resolved issue involving SetFreq.
22. Resolved issue using built in function variables in makelist. ex: MAKELIST(F1,X,1,5,1)
23. Brought back OS version on help about screen.
24. Improved color choosers through system so initial color selection matches the current selection.
25. Improved first boot screen.
26. Resolved issue with REGRS command and trig fit.
27. Some "NIST" group went and changed the definition of Faraday.
28. Resolved issues with alphabetical app sorting.
29. Switched to have fsolve in CAS->solve menu instead of less capable nSolve command.
30. Improved the exam mode password/time screen to show remaining time better.
31. Improved sleep to avoid the calculator from sleeping while streamer is connected and active.
32. Resolved issue where terminal scrolling could hang system. Also added a titlebar on the terminal.
33. Resolved issue with E+5/ interpreted as (E+5)/ instead of E+5/
34. Removed ` from catalog. (auto eval quote)
35. Resolved issue with program dialog box and digit grouping.
36. Resolved memory issue in parser when using ICON keyword.
37. Resolved issue where a matrix stored by M2:=M1 in home edited both M1 and M2.
38. Resolved issue with digit grouping in solve application preventing solving with numbers >1000.
39. Resolved issue with kinetic scrolling and editors.
40. Enlarged size of advanced graphing memory so more scrolling can happen before redraw is needed.
41. Resolved issue where define F1=..., F2=d F1(X) / X=X in symb, PLOT view, and then exit could cause undesirable effects.
42. Resolved display issue where DMS value -1<x<0 was not showing negative sign.
43. Improves Function app/Plot/Fcn/Root reports for some functions that jump over zeros.
44. Resolved issue where STRING function was not working well with 4 or more parameters.
45. Resolved issue where DRAWMENU was not able to use pictures as sources

Resolved issues and changes in CAS
----------------------------------
1. Improved simplify handling of surd/nthroot
2. concat now accepts more than 2 arguments
3. Fix for int(1/x^2,x,0,inf)
4. Fix for fisher_cdf(5,6,2.1,∞)
5. Changes for arcLen - support for curves having more than one arc and for points instead of parameter values for boundaries
6. Additional checks for low accuracy integrals by gaussian quadratures to avoid Romberg method, example int(1/sqrt(1-x^6),x,0,1.)
7. Improves multiple integrals like int(int(int(sqrt(x^2+z^2),z,-sqrt(y-x^2),sqrt(y-x^2)),y,x^2,4),x,-2,2)
8. Fix for desolve(y''=1/x^2)
9. Fix for sign, for example sign(sin(6283185307179586/1000000000000000))
10. Fix for int((1-x)^(2/3)*x^(1/3),x,0,1)
11. Fix for expand(x*2.9e-13+6.3e-13)
12. Enables new syntax for substitution in expression like f:=x^2+1; f(x=1)
13. int(1/sqrt(1+x^3),x,0.0,∞) now returns an approximate answer
14. Fix for (f)solve(((3.068E-3/(0.118+1.001E-5*X))-(((1+2.126E-5*X)/(1+8.506E-5*X))-(0.3+2.55E-5*X)))=0,X);
15. Setting default arg to 0 in piecewise to make limit work
16. Added support for complex numbers in pmin
17. Fix for limit((-9x^69+x^47+10)/(-7x^69+x^46+10),x=inf)
18. Remove autosimplification after 'reorder'
19. Fix for limit(surd(3^x+5^x,x),x,inf)
20. Fix for solve(6e-34*f=g,f)
21. Sort proot output
22. If taylor or series have polynom as optional last arg, the order_size term is removed (shortcut for convert(series(...),polynom) to series(...,polynom))
23. Improve warning for some ode that can not be solve explicitly
24. Fix for int(x²/(9+x^6),x,-inf,inf), int(1/(x^2 + 6*x + 12),x,-inf,inf)
25. Fix for trigtan(sin(x)/cos(x)) and for cSolve(x^4-1=3)
26. SVD warnings for exact/symbolic matrices
27. Fix for GD:=line(y=(4859/2500*ln(20)+631/125+(-4859/100000*ln(20)-631/5000)*x)):;GG:=plotfunc(1.301*ln(x)+3.406,x,-50,50):;single_inter(D,G);
28. Changed ihermite to return a list
29. Simplification of conj(conj()), conj(re()) and conj(im())
30. median({1,2,3,4}) returns 2.5
31. rsolve now handles homographic recurrences if the fixed point has multiplicity 2
32. Computation of Beta(x,y) if x>0, y>0 and x+y is integer, recognition of integrals solvable by Beta, e.g. int(x^(1/3)*(1-x)^(2/3),x,0,1)
33. If partfrac optional 2nd argument is a sqrt, does partial fraction expansion with factorization over this field extension
34. Fixes for rootof (root selection and i with rootof)
35. Improves arg and evalc for pow of complex numbers
36. Fixes solve with piecewise containing a sqrt
37. Fix for solve(x^5=-1)
38. laplace now switches to exact mode
39. Fix for piecewise in regroup and solve
40. Fix order for regroup (fraction/monomials)
41. Fix for SVD
42. Fix for string(matrix), sum(sin(n*x)/n^2,n,1,inf), fsolve in degree mode without interval/guess
43. Fix for Groebner basis and fix for comparing 2 symbolic complexes having the same imaginary part
44. Improves some simplifications like abs(exp(i*x)+1) and some integrals of periodic function over a period
45. Avoid rootofs for some factorizations
46. Change for product/sum, e.g. for product(n,n,1/2,3,1/2)
47. Calls exact on limit arguments
48. Change piecewise printing to CASE
49. Fix for int(exp(-x)/(1+x^2),x,0,inf)
50. Fix complexroot(x^3+8,1e-5,0,2+2*i)
51. Fix for solve(sin(x)=sin(2x))
52. Accept = instead of - in zeros and czeros
53. Call normal on inverse of matrix
54. Fix for int(abs(sin(x)-cos(x-1)),x,0,3)
55. fsolve now returns itself if the equation has more than 1 var, making commands like fsolve(int(fsolve(x^5+x=y,x,1e-14),y,0,t)=1/3,t=1.0) possible
56. Improve detection of polynomial equation by fsolve. If fsolve has only one solution in a polynomial equation, returns the solution instead of a list of one solution
57. Fix printing of ()^.5 (was incorrectly printed as sqrt())
58. Fix for int(1/surd(x-1,5),x,1,33)
59. Fix for desolve(y''+1/(x+1)=0,x,y)
60. Make resultant with 0 return 0
61. Fix for ifactor(373196531)
62. Fix for SVD of matrices having more columns than rows
63. Make sorta/sortd work with complex numbers (sorting by real parts)
64. Changed number of Pollard-rho tries for ifactor(2^101+5), removed some optimizations that seems to fail in some rare occurrences
65. Integration - small improvement recognizing f(u)*u' pattern
66. pmin now accepts sqrt and other algebraic extension of Q
67. round([a,b],c) fixed
68. Make limit(exp(-1/x^2)/x,x=0) work
69. Fixed iquorem to behave like iquo+irem with negative integers
70. Fix for int(frac(x),x,-1,2), int(frac(x),x,0,6.4) 
71. Fix for int(sqrt((t-5*cos(t))^2 + (6*cos(1+sin(t)))^2),t,0,3)
72. Fix for factor(3*a*cos(sqrt(3)*ln(-x)/2)-b*sin(sqrt(3)*ln(-x)/2)-sqrt(3)*a*sin(sqrt(3)*ln(-x)/2)+sqrt(3)*b*cos(sqrt(3)*ln(-x)/2))
73. Fix for sum_riemann(1/sqrt(n^2+k^2),[n,k])
......................................