Claude re-derived a published one-loop quantum gravity calculation step by step: 18 tasks, 183 pages of derivations, 38 reproducible checks. It found a sign error and a missing term; the physical conclusion survived.
A computer algebra system written in pure Python
Music Theory for Humans.
DSL and compiler framework for automated finite-differences and stencil computation
Composable mathematics tools for agents
Trace Python+NumPy programs into SymPy formulas and check them symbolically, across all branches