Maple

Solve complex mathematical operations

Derive

Powerful tool for symbolic mathematic calculations

Octave

Applied calculus software very similar to MATLAB

NASA World Wind

Travel the world from your PC's desktop

MATLAB

Maths software tool for PC

Minitab

One of the best statistical calculation programs

MathType

Complete mathematical equation and formula editor

Mathematica

Platform for computational development

GeoGebra

Software to learn maths at all levels

IBM SPSS Statistics

Poweful software to collect and analyze statistical data

Marble

Visit the entire planet from a bird's eye view without leaving home

Seterra

Learn geography with these entertaining activities

Statgraphics

Carry out statistical analyses on your data

Mathcad

Software for engineering calculations

Microsoft Mathematics

Solve mathematical operations with this free tool

PASW

One of the most powerful statistic solutions on the market

Wondershare Recoverit

Recover any file deleted by accident or mistake

CD Recovery Toolbox

Recover data from any damaged disc

GetDataBack for FAT

Recover your hard drive's data you thought you had lost

HDD Regenerator

Repair your physically damaged hard drive

Recover My Files

Advanced file and disk recovery

Recuva

The best tool to recover lost files

Stellar Data Recovery Professional

Excellent tool for deleted files recovery

Wise Data Recovery

Recover deleted or accidentally lost files

GetDataBack for NTFS

Recover the lost data from your NTFS discs

EasyRecovery

Recover deleted files very easily

iCare Data Recovery

Recover the files that you thought you had lost

USB Show

Discover hidden files on your pendrive

Recuva Portable

Run Recuva without having to install the program

iMyFone D-Back

Recover data from your iOS devices

EaseUS Data Recovery Wizard

File Recovery Software for Windows