Octave

Applied calculus software very similar to MATLAB

WinPlot

Generate 2D and 3D graphics

Microsoft Mathematics

Solve mathematical operations with this free tool

Mathematica

Platform for computational development

Graphing Calculator 3D

Draw any 2D or 3D function almost instantly

Maple

Solve complex mathematical operations

Statgraphics

Carry out statistical analyses on your data

Geometry

Complete trigonometry and geometry calculations easily

MathType

Complete mathematical equation and formula editor

Gretl

Application for econometric analyses

Derive

Powerful tool for symbolic mathematic calculations

Euler Mathematical Toolbox

Complete numerical and algebraic computation system

Mathcad

Software for engineering calculations

GeoEnZo

Digital board to teach and learn maths

Scilab

The most comprehensive tool to perform numerical calculations

PASW

One of the most powerful statistic solutions on the market

Tweaks.com Logon Changer

Customize your logon screen

Oceanis Change Background Windows 7

Change the wallpaper of Windows 7 automatically

Mosaic Desktop

Apply Windows 8's wallpaper to your desktop

BioniX Desktop Wallpaper Changer

Automatically change your desktop wallpaper

Apophysis

Create your own wallpapers with fractal calculations

WebShots Desktop

Download a wide range of photos and wallpapers

God of War 3 Theme

God of War 3 desktop theme

Moon Shadow

Great theme to customize Windows XP and Vista

Windows 7 DreamScene Activator

Use videos as desktop wallpaper with DreamScene

Tux Walk

Watch Tux walking around your desktop

SyncWall

Automate the wallpaper changing cycles

DesktopSnowOK

An animation with snowdrops on your desktop

Showroom

Change your wallpaper whenever you want

Wally

Change your background wallpaper as many times as you want

PaperPlane Smart Launch

Customize your Windows desktop to look like an iPad