LibreOffice - Math - Math, LibreOffice, math editor, ODF, OpenFormula, open standards
MATLAB - A high-level language and interactive environment for numerical computation, visualization, and programming
Math Magic - MathMagic Equation Editor for Desktop Publishing software & Word Processors, Adobe InDesign, QuarkXPress, MS Word, iWork, for Technical writing with very easy interface and fast input.
GNU Octave - GNU Octave is a programming language for scientific computing.
KLatexFormula - KLatexFormula is an easy-to-use graphical application for generating images (that you can drag and...
Wolfram Mathematica - Mathematica has characterized the cutting edge in specialized processing—and gave the chief calculation environment to a large number of pioneers, instructors, understudies, and others around the globe.