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phys-core is a lightweight, zero-dependency JavaScript engine designed to generate randomized AP Physics and AP Calculus problems on demand. It dynamically computes parameters, constructs multi-step LaTeX solutions, and outputs deterministic seeds for seamless integration into interactive learning tools, practice portals, and test suites.
Coaster Lab: a 3D roller-coaster builder where the simulation is real AP Physics C mechanics. Each level is an AP-style free-response question you beat by calculating, not guessing.