Freeware Percentage Calculator which calculates the value in 3 ways.

Accounting and Business Studies package.

An open source virtual planetarium and sky map program.

Scientific and graphic calculator with a Programming environment.

Avogadro is an advanced molecular editor.

Analyze results produced by the NCBI and EBI BLAST biological sequence database search systems.

An easy-to-use, versatile and powerful converter.

Preparations of buffers for a given pH.

Cross-platform, arbitrary-precision, customizable, multifunction, scientific calculator.

CaRevol Jet - The formula calculator of complex numbers.

A convenient tool for basic math calculations.

The free space simulation that lets you explore our universe in three dimensions.

Provides you with a more accurate graphical representation of a chemical formula.

Chemix is a free software program for drawing lab diagrams.

Molecular mass and elemental analysis.