Erwin van den Hout

iPicto Lite

NOTEThis a lite version of iPicto, in this version, only the first 16 pictos are available. With iPicto for iPhone, iPod Touch and...

By Erwin van den Hout | Added November 28, 2012

iFormulas for iPhone and iPod Touch

With iFormulas you will always have the most used physics, chemistry and math formulas with you. The app also features a full periodic...

By Erwin van den Hout | Added October 9, 2012

Danger! for iPhone

With Danger! you will always have all definitions of the GHS system with you.The Globally Harmonised System of Classification and Labelling...

By Erwin van den Hout | Added March 29, 2012