22+ Act Prohibited Calculators. Follow instructions from your school. Check out approved & prohibited calculators, devices allowed for the math section & ensure your calculator meets the act's.

However, not all calculators are allowed. Calculators may only be used on the mathematics test, including act workkeys applied math. Accessible calculators (such as audio/“talking” or braille) are allowed if authorized in advance of testing by act for the act® and by the test coordinator for all other products.








