Cadabra is a computer algebra system (CAS) designed specifically for the solution of problems encountered in field theory.
Calculate and analyze mortgages and loans in detail. Enter mortgage parameters like principal, interest rate, payment cycle, compound rate, and term. Adjust any payment throughout the course of your loan. Simple to use for the mortgage novice.
Scientific calculator meant to replace Apple's default system calculator.
Dr. Geo, a libre software to construct and manipulate interactive geometric sketches with constraints.