1)   EngineCR 2.0
EngineCR is a internal combustion engine compression ratio calculator. Automotive machine shops and engine builders can benefit from the use of EngineCR. EngineCR accurately calculates the static compression ratio of an engine.
calculate, engine, static, compression, ratio, calculator, calculation, piston, cylinder, head,

 2)   Galactic Geometry 3D 1.6
Calculate volume and surface area to blast away rocks and save your space ship! Galactic Geometry is an engaging 3D environment for learning about geometric figures and their equations. Students practice math with vivid animation and sound.
galactic, geometry, geometric, math, volume, surface, area, middle, school, education,