math/speedcrunch 0.12.0_3 DragonFly

SpeedCrunch is a multiplatform desktop high-precision scientific calculator for power users. It is designed to be enjoyed using keyboard. Results are shown in a syntax-highlighted scrollable display, history of expressions is available with up and down arrows.

Some other features: optional keypad, matching parenthesis indicator, auto- completion of functions and variables, just-in-time calculation (show result while still typing), a formula book, and quick insertion of constants from various fields of knowledge.