SciDaVis - SciDAVis is a free application for Scientific Data Analysis and Visualization.
Console Calculator - Console Calculator is a powerful calculator with a simple console interface.
DPlot - DPlot graphing software lets scientists and engineers graph, plot, analyze, and manipulate 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 .
WinPython - The easiest way to run Python, Spyder with SciPy and friends out of the box on any Windows PC...
Calculator by Xlythe - Calculator is a simple 4 function calculator.