HotApp4Game Heiko Etzold

Heiko Etzold

Cathode Ray

教育

/4月 17, 2014
/Heiko Etzold

With this app you can simulate a cathode ray inside an electronic and magnetic field.You can change the electric voltage and magnetic flux density to ...

Math Angle

教育

/10月 2, 2013
/Heiko Etzold

This app is designed for math education.You can choose the types of angles, estimate angles or identify and draw some special angles.免費玩Math Angle APP...