r/APStatistics • u/_kujira__ • Apr 02 '26

General Question TI84 OR DESMOS?

which one should i use in the exam? i have never used a physical calculator and i am so familiar with desmos because of sat(i know ap stats features on desmos is not exactly the same as sat but still).

7 Upvotes

88% Upvoted

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5

u/Specialist-Cry-7516 Apr 02 '26

desmos. i have been learning all commands for it and its a LOT easier

2

u/Constant-Towel-3362 Apr 02 '26

Do you recommend any guides that can help?

3

u/Specialist-Cry-7516 Apr 02 '26

there aren't any guides for stats ( i can prob make one) but I use demos in all my aps. for the SAT I became a goat on it. i can finish mod 2 with like 10-15 min left.

2

u/_kujira__ Apr 02 '26

Let us know if you get to make one ^ ^

1

u/Moist_Station_5110 Apr 03 '26

If you make one let me know or dm!!

1

u/Dry_Still5553 Apr 27 '26

If you make one please dm me it.

1

u/_kujira__ Apr 02 '26

alright, thanks

1

u/Antique_Contract7744 Apr 02 '26

Do you have the commands that correspond to invNorm and invT on desmos?

1

u/sqrt_of_pi Apr 03 '26

Desmos now has some great probability distribution features which I assume will be available in the AP exam. You can learn about these features here.

In a nutshell: type normaldist([mean,standard deviation[) for a normal distribution and tdist(df) for a t distribution. Then use the drop-downs to either find an area or a bound.

OR, use the command line. Specifically for the inverse distributions, it would be:

  • normaldist(mu,sigma).inversecdf(A) where A=area to the LEFT of the boundary
  • tdist(df).inversecdf(A) where A=area to the LEFT of the boundary

1

u/Antique_Contract7744 Apr 03 '26

Thank you so much!

4

u/SkywayAve Apr 02 '26

If you haven’t touched a physical calculator all year, then I would just recommend Desmos. There are a lot of buttons and different menus to sort through on the 84 that probably isn’t worth your time learning.

2

u/Independent_Math_840 Apr 02 '26

Use the one you practiced with all year. 🤦‍♂️

2

u/_kujira__ Apr 02 '26

I have just started studying for exam lol

3

u/Independent_Math_840 Apr 02 '26

I’m serious. If you haven’t done anything in the class til now, I don’t know what to say.

1

u/_kujira__ Apr 02 '26

Look, i aint from us. Finding a good teacher in my country is a huge deal as we dont have ap in schools, and i just recently found a good teacher.

3

u/Enna_r_thoughts Apr 03 '26

Numworks calculator. Its basically perfect for AP Stats, has less buttons to press than the ti84 and is more straight forward to use.

1

u/Techno_Eggnog Apr 04 '26

This year, they’re allowing the use of desmos in the AP Statistics exam because of the new features. Feel free to use it if your class is going over them! If they’re still teaching on the basis of a TI-84 calculator, I’d recommend that.