Error: Undifined

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Error: Undifined

tman46828 22 May 2019 17:10

I'm making a simple program for Statistics class, but I have run into a problem. Whenever I run this bit, it returns an undefined error on the / of R²/Q.
I never put in 0 as an input in Q.
(TI-84+)

Input "x₁=",V
Input "σ₁=",U
Input "n₁=",T
Input "x₂=",S
Input "σ₂=",R
Input "n₂=",Q
Input "c=",P
invNorm(P,0,1)→W
W√((U²/T)+(R²/Q))→E
Disp V-S-E," <µ₁-µ₂<",V-S+E
Stop

(the x's are x bars)

Re: Error: Undifined

Deoxal 22 May 2019 19:55

I pasted what you have here into TI Connect, saved the file, and sent it to my calculator. It's treating R² as the statistics variable, not R*R. Unfortunately, I can't find what the R² variable is. It's not on the Stats page and I can't find another page referencing what it does.

In TIC there is an R² token you can paste from the syntax reference and a separate token that is ² by itself. Both superscripts are just ASCII 0xB2 so when TIC assembles the program it has no way of knowing if you meant the stats variable or R*R so it just assumes the former.

If you type this program out on your calculator, send it to your PC, open it TIC, save it without editing anything you will "corrupt" the program.

To fix this you should, use a variable besides R, type R^2 into TIC, or write code on the calculator. Okay maybe not the last one. ( ͡° ͜ʖ ͡°)

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Last edited on 22 May 2019 21:56 by Deoxal Show more

Re: Error: Undifined

tman46828 03 Jun 2019 21:55

Sorry for the late reply, but thank you!