Lua sounds great! I'll definitely want to see that happen. Seeing how you improved your code, let's say it sounds very familiar Especially with my current project
P.S. Your list of programs in your stadium seems interesting. Is there a possibility I could have a look at the source/get all of em?
I forgot to introduce myself So here I am I've developed quite some things for the TI-Nspire (BASIC) and now learning Lua for even better programs I'm also learning java atm and did some C++ sometime ago, in a far, distant world, where everything is hard..... And I'm starting Astronomy this year. Well that's about it.
Short and simple answer: yes Here's how: 1. Create a Notes page 2. Go to Menu>Insert>Math Box (or do Ctrl+M). 3. Type the name of your variable in the mathbox and press enter. 4. If you want to change the settings, position your cursor inside the math box and go to Menu>Math Box Options> Math Box Attributes (or Ctrl+Menu>Math Box Attributes) and change settings to your needs.
Also, what will your tutorials be covering? If they're as descriptive as the post you left me, I will surely check them out! Thank you!
I plan to make them as descriptive as my post, with useful examples and quizes to test knowledge
@Jonius7: yeah, lets say I took a forced break. School and such, and with exams upcoming I don't know how much time I can spend around here and coding stuff. I'm doing a little too much atm so I'm a bit (learning java, learning lua (does anyone know a good tutorial?), playing a lot of guitar )
First of all, input can be gained from the Request (for numerical values) and RequestStr (for strings). The major problem that's causing all the trouble is that you don't close the if statements. On the TI-Nspire you have to do this:
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If <condition> then <actions to perform> EndIf
Also, all the variables are ALWAYS equal to themselves. So v=v no matter what. So you will always get four results. Here's how I would've done it:
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Your code, but with closed if statments. Will always return four answers
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Define gaslaw(p,v,n,t)= Prgm If p=p Then Disp ((0.08206*n*t)/(v)) EndIf If v=v Then Disp ((0.08206*n*t)/(p)) EndIf If n=n Then Disp ((p*v)/(0.08206))*t EndIf If t=t Then Disp ((p*v)/(0.08206))*n EndIf EndPrgm
Another option: make the variable to solve different from the others. The gaslaw for example would never have negative numbers or zero, so consider this (Stop terminates the program):
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Define gaslaw(p,v,n,t)= Prgm If p<0 Then Disp ((0.08206*n*t)/(v)) Stop EndIf If v<0 Then Disp ((0.08206*n*t)/(p)) Stop EndIf If n<0 Then Disp ((p*v)/(0.08206))*t Stop EndIf If t<0 Then Disp ((p*v)/(0.08206))*n Stop EndIf EndPrgm
Personally, I would do this:
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Define gaslaw(p,v,n,t)= Prgm If p=0 Then Disp "p=",((0.08206*n*t)/(v)) ElseIf v=0 Then Disp "v=",((0.08206*n*t)/(p)) ElseIf n=0 Then Disp "n=",((p*v)/(0.08206))*t ElseIf t=0 Then Disp "t=",((p*v)/(0.08206))*n Else Disp "Error: nothing to solve, check syntax." EndIf EndPrgm
Finally, not really needed, if you want nice input:
If p=0 Then Disp "p=",((0.08206*n*t)/(v)) ElseIf v=0 Then Disp "v=",((0.08206*n*t)/(p)) ElseIf n=0 Then Disp "n=",((p*v)/(0.08206))*t ElseIf t=0 Then Disp "t=",((p*v)/(0.08206))*n Else Disp "Error: nothing to solve, check syntax." EndIf EndPrgm
I hope this was helpful. And if you want to learn, check my tutorial (link coming soon in my sig)
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Especially with my current project 
So here I am 
