Allowed calculators for ACT (US)
📍 US, International📅 Updated: 2025-09-10
Calculators permitted only on Math section. Most scientific and graphing calculators allowed. No devices with QWERTY keyboards.
Official Sources:
✓Allowed Calculators
⚠️Conditional/Check Rules
Conditional
Texas Instruments TI-Nspire CX II CAS
CAS calculators allowed. Must remove keyboard attachment if present.
View details →Frequently Asked Questions
Can I use a graphing calculator in ACT (US)?
Yes, specific graphing calculators are allowed. Check the allowed list above for models.
How do I make my calculator exam-ready?
Clear all memory and stored programs before the exam. Some calculators have an "exam mode" - activate this if required. Check with your exam invigilator for specific requirements.
Where can I verify these rules?
Always check the official exam board websites (linked above). Calculator rules can change, so verify before your exam day.