Gretl

Application for econometric analyses

Mathematica

Platform for computational development

Octave

Applied calculus software very similar to MATLAB

Graphing Calculator 3D

Draw any 2D or 3D function almost instantly

GeoEnZo

Digital board to teach and learn maths

Statgraphics

Carry out statistical analyses on your data

Geometry

Complete trigonometry and geometry calculations easily

Maple

Solve complex mathematical operations

PASW

One of the most powerful statistic solutions on the market

Scilab

The most comprehensive tool to perform numerical calculations

Mathcad

Software for engineering calculations

Euler Mathematical Toolbox

Complete numerical and algebraic computation system

WinPlot

Generate 2D and 3D graphics

MathType

Complete mathematical equation and formula editor

Microsoft Mathematics

Solve mathematical operations with this free tool

Derive

Powerful tool for symbolic mathematic calculations

ChemSketch

Tool to learn chemistry by drawing compound structures

Algodoo

A fun way to learn physics

Biogenesis

Observe the evolutionary process of various organisms

Model ChemLab

Simulate a chemistry lab on your PC

ArgusLab

Application to view and develop molecules

PhET

Carry out dozens of scientific experiments from your PC

FluidSIM

Program to create exciting electro-pneumatic circuits

Serial Cloner

Molecular biology application

Physics 101 SE

Learn physics and calculate anything whenever you want

QPeriodicTable

Discover all the secrets of the chemical elements

Curved Spaces

Represent interconnected universes on your PC

EniG. Periodic Table of the Elements

Free periodic table of elements with many extra features

Physion

2D virtual physics laboratory

SnapGene Viewer

Observe DNA sequences