OpalCalc
SpeedCrunch
Qalculate!
Soulver
Numi App
Insect
Event Viewer
Gnome calculator
OpenCalc
SpeedCrunch
Qalculate!
Numi App
Soulver
fxSolver
GeoGebra Scientific Calculator
Event Viewer
OpalCalcSpeedCrunch - SpeedCrunch. SpeedCrunch is a high-precision scientific calculator featuring a fast, keyboard-driven user interface. It is free and open-source software, licensed under the GPL. Download Documentation Donate .
Qalculate! - Qalculate! is a multiplatform multi-purpose desktop calculator.
Soulver - Soulver is a software application that functions as a calculator that allows you type a continuous stream of information rather than having to input data into multiple cells.
Numi App - Numi is a beautiful text calculator for Mac.
Insect - High precision scientific calculator with full support for physical units.
fxSolver - fxSolver is an free online math solver, equation library, graphing calculator and science/engineering problem helper. To get started, add some formulas, fill in any input variables and press "Solve."