Expression parser / evaluator.

PyCalculator — A secure, beginner-friendly Python scientific calculator with a modern Tkinter GUI and an AST-based evaluator (no raw eval). Supports arithmetic, %, ^ → **, sqrt, log, and degree-based trig (sin/cos/tan). Keyboard-friendly, unit-tested with pytest and CI-ready.

a Lua Wrapper to facilitate lua embedding process

An open-source Python library for code encryption, decryption, and safe evaluation using Python's built-in AST module, complete with allowed functions, variables, built-in imports, timeouts, and blocked access to attributes.