AP Calculus AB Formula Quick Reference
By Dr. Iris Vaughan, Mathematics Editor·Published 1 November 2025·Last reviewed 1 April 2026
All formulas provided on the AP Calculus AB exam, plus the key ones that are not provided (derivatives of trig, integration by parts, fundamental theorem).
Key Formulas
FTC Part 1: d/dx[∫f(t)dt from a to x]=f(x)
FTC Part 2: ∫f(x)dx from a to b = F(b)−F(a)
MVT for derivatives
MVT for integrals
Average value: (1/(b−a))∫f(x)dx from a to b
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