RealCalc Scientific Calculator - RealCalc Scientific Calculator
HiPER Scientific Calculator - Scientific calculator with up to 100 digits of significand and 9 digits of exponent.
Qalculate! - Qalculate! is a multiplatform multi-purpose desktop calculator.
SpeedCrunch - 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 .
Calculator++ - Calculator++ is an advanced, modern and easy to use scientific calculator.
Symbolab - Step by step calculator