Welcome to MotionMaths — the go-to reference for After Effects expressions, built by a motion designer for motion designers.

Whether you're just starting out or building complex production rigs, everything here is practical, production-tested, and ready to drop straight into your comp. Browse the Reference Guide to find and copy any expression instantly — from a simple wiggle to a full physics-based spring follow. When you're ready to level up, head to the Expression Quiz and work through five stages from beginner to pro, writing real expressions, spotting bugs, and predicting outputs as you go.

Need it even faster? The Shop has one-click plugins that wire expressions directly into After Effects — no copy-pasting, no setup, just animate.