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Author Topic: Quadratic Formula  (Read 10405 times)

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Offline AngelFish

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Re: Quadratic Formula
« Reply #30 on: November 01, 2010, 09:46:57 pm »
You left an extra parenthesis  :P

Code: [Select]
:ClrHome
:Pause "JFGI

Meh, let the user clear the screen:

Code: [Select]
:Pause "JFGI
« Last Edit: November 01, 2010, 09:47:57 pm by Qwerty.55 »
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∂²Ψ    -(2m(V(x)-E)Ψ
---  = -------------
∂x²        ℏ²Ψ

Offline nemo

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Re: Quadratic Formula
« Reply #31 on: November 01, 2010, 09:50:04 pm »
why pause it anyway?
Code: [Select]
"JFGI
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Offline meishe91

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Re: Quadratic Formula
« Reply #32 on: November 01, 2010, 10:10:41 pm »
And the official winner is...Runer112 with 54 bytes :P

Xeda had the first hyper optimization and then calcdude84se optimized it again. Runer112 then did an optimization that, in turn, actually wasn't since they resulted in the exact same size (since the new line accounts for the taking off two parentheses). Nemo then optimized it again and then Runer112 optimized again by taking out that last line.

If you want a winner the the latest one I would go with me with:

Code: [Select]
"GI
Who really needs the "Just F******" part? ;)
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Offline Builderboy

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Re: Quadratic Formula
« Reply #33 on: November 02, 2010, 01:21:23 am »
Taken from Cemetech:

Code: [Select]
:Prompt A,B,C
:(-B+sqrt(B^2-4AC))/(2A
:Disp Ans, -B/A-Ans
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Offline Xeda112358

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Re: Quadratic Formula
« Reply #34 on: November 02, 2010, 01:42:26 am »
As long as we are keeping the list output (as a pause) and the
Code: [Select]
:ClrHome
:Disp "AX²+BX+C=0

Then here is a smaller version (by 1 byte):

:ClrHome
:Disp "AX²+BX+C=0
:Prompt A,B,C
:√(B²+4i²AC
:Pause .5A-1(-B+{Ans,-Ans


(The code box didn't allow the -1)
« Last Edit: November 02, 2010, 01:44:00 am by Xeda112358 »
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Offline meishe91

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Re: Quadratic Formula
« Reply #35 on: November 02, 2010, 03:46:20 am »
Quote from: Xeda112358 on November 02, 2010, 01:42:26 am
As long as we are keeping the list output (as a pause) and the
Code: [Select]
:ClrHome
:Disp "AX²+BX+C=0

Then here is a smaller version (by 1 byte):

:ClrHome
:Disp "AX²+BX+C=0
:Prompt A,B,C
:√(B²+4i²AC
:Pause .5A-1(-B+{Ans,-Ans


(The code box didn't allow the -1)

It's smaller than who's by one byte?
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Offline yunhua98

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Re: Quadratic Formula
« Reply #36 on: November 03, 2010, 06:19:59 pm »
couldn't you use -4AC instead of i^2?  or am i missing something?
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Offline Runer112

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Re: Quadratic Formula
« Reply #37 on: November 03, 2010, 06:22:29 pm »
Having i2 forces the calculator to evaluate the expression as complex numbers, so the square root function won't throw an error and you can find imaginary roots.
« Last Edit: November 03, 2010, 06:23:08 pm by Runer112 »
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Offline yunhua98

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Re: Quadratic Formula
« Reply #38 on: November 03, 2010, 06:23:33 pm »
couln't you set the mode to a+bi at the beginning?
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Offline meishe91

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Re: Quadratic Formula
« Reply #39 on: November 03, 2010, 06:25:21 pm »
Quote from: Runer112 on November 03, 2010, 06:22:29 pm
Having i2 forces the calculator to evaluate the expression as complex numbers, so the square root function won't throw an error and you can find imaginary roots.

Plus it's two bytes smaller :P
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Offline nemo

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Re: Quadratic Formula
« Reply #40 on: November 03, 2010, 06:25:24 pm »
Quote from: yunhua98 on November 03, 2010, 06:23:33 pm
couln't you set the mode to a+bi at the beginning?

this changes the mode setting, and adds just as many bytes as i2 anyway.
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Offline yunhua98

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Re: Quadratic Formula
« Reply #41 on: November 03, 2010, 06:31:11 pm »
kk, cool, you learn something new everyday.  ;)
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Offline Xeda112358

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Re: Quadratic Formula
« Reply #42 on: November 04, 2010, 03:00:08 am »
Sorry, in my program above, on my calculator I forgot the :ClrHome part. hehe...
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