Photo by Horia Varlan
Photo by Horia Varlan


Want to know if your calculator is ACT friendly? Check out the full list of acceptable (and prohibited) calculators below– You don’t want to get kicked out of testing center for bringing the wrong calculator! If you’d like more details and information, full guidelines for the SAT’s calculator policy can be found here.

Approved Calculators on the ACT:

Texas Instruments:

  • TI-30
  • TI-34
  • TI-73
  • TI-82
  • TI-83
  • TI-84
  • TI-84 plus C
  • TI-Nspire (any model excluding the CAS models)


  • Casio Prizm
  • Casio 9750 GII
  • Casio 9860 GII


Prohibited Calculators on the ACT:

Texas Instruments:

  • All TI-89 models
  • All TI-92 models
  • TI-Voyage
  • TI-Nspire CAS edition


  • HP 40G
  • HP 48GII
  • HP 49G
  • HP 50G
  • HP Prime


  • fx-CP400 (ClassPad 400)
  • Casio Algebra fx 2.0
  • Casio ClassPad 300
  • Casio Classpad 330
  • Casio CFX-9970G




Other important notes:

You are not allowed to have any documents on your calculator– only certain permitted types of programs.

Remove paper tape from calculators that have them

Turn off the sound on your calculators during testing

Remove all electrical and power cords from your calculator

Make sure you have enough batteries to last your calculator throughout testing

Bring an extra calculator and batteries just in case your calculator unexpectedly dies

If you forget your calculator, the test proctor will not be providing one for you. You are also not allowed to share calculators with other students during the official testing– So remember to bring one!


Overall if you follow these guidelines, you shouldn’t run into any major issues with your calculator during the ACT. Good luck!