StarStrider is a software planetarium that utilizes the latest in 3D-technology in order to show you not only the planets and satellites of our solar system, but also galaxies, nebulas, and hundreds of thousand of stars - in real-time 3D.

Calculations & Conversions at your finger tips.100+ Momentous electrical engineering formulae, Comprehensive Unit Converter with 2900+ Units, 50000+ Conversions, Scientific Evaluator, Ohms Law calculators and more…

Calculate your carbon footprint with this easy to use calculator software. Enter in data to figure CO2 generated from activities including transportation, energy, trash or waste, recreation, purchasing habits, food, etc. Learn where you can go green.