## Top rated in Science

Shareware program for earth-mapping learners of all ages.

Mathematical tool for solving equations and graphing functions.

Add professional-quality mathematical formulas in your documents.

Stellarium 0.9.1is a free program that puts a planetarium on your computer.

Family Tree Builder helps you research your family history.

Carries out a statistical analysis in the social science.

Up-to-date implementation of TeX with related programs for Windows

Free space simulator that lets you explore the universe in 3D.

Statistical program designed for data analysis.

A virtual telescope that lets you browse though the known universe.

It is a powerful equation plotter with numerical and calculus features.

Simple yet powerful utility to convert between a plethora of metric units.

Build up family trees and create multiple genealogical databases.

Spatial data management tool for GIS mapping application.

It can be used to draw mathematical graphs in a coordinate system.

Analog circuit simulator designed for students.

It is an application designed for data analysis and publication graphing.

Create simple or complex layouts for printed circuit boards.

Perform detailed analysis and graphing of your data.

Perform 3D surface mapping, surface analysis, or terrain modeling.

Manage your data and perform econometric and statistical analysis.

Solve technical problems through mathematical computing.

An advanced molecule editor and visualizer designed for cross-platform use.

A tool that puts the power of advanced statistical analysis in your hands.