Free
WinStars
Look at the solar system in 3D
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Free
Look at the solar system in 3D
Free
Explore the solar system in real time
Free
A free Science & education program for Windows
Free
A free app for Windows, by Tingan
Free
Celestia: 3D Space Simulator for Exploration and Teaching
Free
Explore the universe
An Easy and Educational Programming Simulator
Simple circuit simulator working with ideal components.
CaR Regla y Compas: Geometric Drawing Tool for Academic Practice
Tool for making and analyzing graphs
Design and simulate gears (spur and helical, external and internal meshes, trains), friction wheels, belt and chain drives
Free Science Learning Tool for Windows
A free program for Windows, by DigitalVolcano Software Ltd.
Calc 3D Mathematics Tool
A free app for Windows, by Pablo López García y Leopoldo.
Educational Software for Math Learning
Total Exams: Comprehensive Test-Taking Software
Gmail Email Backup Tool Overview