LibreOffice - Math - Math, LibreOffice, math editor, ODF, OpenFormula, open standards
Numi App - Numi is a beautiful text calculator for Mac.
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.
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 .
KLatexFormula - KLatexFormula is an easy-to-use graphical application for generating images (that you can drag and...
Qalculate! - Qalculate! is a multiplatform multi-purpose desktop calculator.