GnuPlot - Gnuplot is a portable command-line driven interactive data and function plotting utility.
Numi App - Numi is a beautiful text calculator for Mac.
LabPlot - LabPlot is a KDE-application for interactive graphing and analysis of scientific data.
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 .
Matplotlib - matplotlib is a python 2D plotting library which produces publication quality figures in a variety...
Qalculate! - Qalculate! is a multiplatform multi-purpose desktop calculator.