Customizable Formula Solver 7/10/2014

Compatible with TI-8x series, including TI-84+CSE.
Send FORMULA.8xp to your calculator
Edit Line 2 and 3 if you want to change the type of formula.
Line 2: A string that represents the general formula stored into Str9. Make sure that each variable is represented by one letter.
Line 3: Available options for the users to select separated by commas. 

This program can solve simple formulas such as Q=MGH, F=MA, D=RT, V=LWH, P=VI, etc.

General Usage:
Run the program from either the homescreen or a shell. 
Select all known options using 2nd but leave one blank.
Press Enter to continue.
Input the prompted values.
The answer is shown on the graphscreen under the options.

Advanced Usage:
Here is an example to what can be done with this. Omit line 2 and 3 from prgmFORMULA.
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prgmSOLVER
Menu("FORMULA","POTENTIAL",A,"FORCE",B,"DISTANCE",C,"VOLUME",D
Lbl A
"Q=MGH->Str9
"P.E.(JOULES),MASS(KG),GRAVITY(M/S/S),HEIGHT(M)
prgmFORMULA
Lbl B
"F=MA->Str9
"FORCE(NEWTONS),MASS(KG),ACCELERATION(M/S^^2)
prgmFORMULA
Lbl C
"D=RT->Str9
"DISTANCE,RATE,TIME
prgmFORMULA
Lbl D
"V=LWH->Str9
"VOLUME,LENGTH,WIDTH,HEIGHT
prgmFORMULA
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Thanks for downloading Customizable Formula Solver!
~Electromagnet8