Geometry

Complete trigonometry and geometry calculations easily

Scilab

The most comprehensive tool to perform numerical calculations

Mathematica

Platform for computational development

PASW

One of the most powerful statistic solutions on the market

WinPlot

Generate 2D and 3D graphics

Microsoft Mathematics

Solve mathematical operations with this free tool

MathType

Complete mathematical equation and formula editor

Maple

Solve complex mathematical operations

Graphing Calculator 3D

Draw any 2D or 3D function almost instantly

Octave

Applied calculus software very similar to MATLAB

Derive

Powerful tool for symbolic mathematic calculations

Gretl

Application for econometric analyses

Euler Mathematical Toolbox

Complete numerical and algebraic computation system

GeoEnZo

Digital board to teach and learn maths

Statgraphics

Carry out statistical analyses on your data

Mathcad

Software for engineering calculations

3D Video Player

All your videos in 3D

iTunes Portable

Portable version of the player by Apple

KMPlayer

Complete and modern multimedia player free of charge

VUPlayer

Simple audio player with plenty of options

PowerDVD

One of the most complete media players

Windows Media Player 10

Microsoft's multimedia player

Vocaloid

Excellent voice synthesizer

IP-TV Player

Video player based on VLC to tune into TV channels

ACE Stream

Multimedia player based on VLC and compatible with BitTorrent

Winamp

The best and most popular MP3 player for PC

VLC Media Player

The most stable and versatile multimedia player

iTunes

Apple's multimedia content manager and online store

Windows Media Player 11

Microsoft's media player for Windows XP and Vista

Media Player Classic

Lightweight and complete clone of Microsoft's player

Wiseplay

The multimedia player with IPTV functions