For many AP math and science exams, a calculator is not just helpful — it’s essential. But the College Board has strict rules about which calculators you can bring. Using an unapproved calculator could result in your score being canceled.
This guide covers:
- Which AP exams allow calculators
- Approved calculator models
- Calculator tips for test day
- What to do if you forget your calculator
Which AP Exams Allow Calculators?
Calculators are permitted (and sometimes required) for:
- AP Calculus AB and BC
- AP Statistics
- AP Biology
- AP Chemistry
- AP Physics 1, 2, and C (Mechanics & Electricity and Magnetism)
- AP Environmental Science
Approved Calculator Types
The College Board approves four main types:
- Graphing calculators
- Scientific calculators
- Four-function calculators (with or without square root)
- Some programs and apps if using a school-issued device
Examples of Approved Graphing Calculators
Popular models include:
- TI-84 Plus CE
- TI-Nspire CX (non-CAS)
- Casio fx-9750GII
- HP Prime (non-CAS)
Note: Calculators with QWERTY keyboards or wireless communication are not allowed.
Test Day Calculator Rules
- Bring two calculators in case one fails
- Clear all programs and stored data unless allowed by the exam
- No sharing calculators during the test
- Only approved calculators may be used — proctors will check
What If You Forget Your Calculator?
- Some schools have loaners — ask the AP coordinator before exam day
- If you can’t get one, you’ll still be allowed to take the test but may be at a disadvantage
- Practice working without a calculator to prepare for this scenario
Tips for Using a Calculator Effectively
- Practice with the exact model you’ll use on test day
- Learn shortcut keys to save time
- Avoid relying solely on your calculator — show all work for credit
- Check your answers for reasonableness before moving on
Related RevisionDojo Resources
- AP Calculus BC Score Calculator
- AP Statistics Study Guide
- AP Chemistry Exam Tips
- AP Physics Exam Strategies
Frequently Asked Questions (FAQ)
Q1: Can I use my phone as a calculator for an AP exam?
A1: No — phones are strictly prohibited.
Q2: Can calculators with CAS (Computer Algebra Systems) be used?
A2: No — CAS calculators are not permitted for AP exams.
Q3: Will my calculator memory be checked?
A3: Proctors can require you to clear stored programs before the exam begins.
Q4: Can I bring extra batteries?
A4: Yes — you can bring spare batteries to swap during the exam.
Call to Action
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