3.0.1
2020-04-12
bug fixes on iPhone version (won't crash anymore - hopefully)
3.0
2020-04-10
Redesigned and ready for Dark Mode and usage of Trackpad/Mouse
2.2
2015-04-09
Dutch version added
2.1
2014-07-23
* Bug fixes in english version
* Spanish translation
2.0
2014-01-03
* Now you can choose between parallel or non-parallel lines at special angles.
* New Function: Explore Angles. Explore the special angles theorems by moving lines.
1.2
2013-12-18
* new design
* iPhone-App available
1.1
2013-11-06
english version available