Education tools

All 118 elements with mass, symbol and category. Searchable and works fully offline.

Build a deck of cards, shuffle and study with flip and progress tracking. Saved in this browser only.

Generate printable multiplication tables in any range — perfect for kids and classrooms.

Solve linear, quadratic and symbolic equations or evaluate expressions instantly using mathjs — all offline.

Balance any chemical equation by solving the coefficient matrix. Supports parentheses, charges and common compounds.