Ever thought that trigonometry is difficult?Trigonica gives you basic ideas as steps to go advanced!Now, trig is not hard at all...Features:- Easy lessons to learn- Quizzes in which you can test your knowledge- Interactive illustrations: right triangle, unit circle, and graph of functions are presented. Drag your fingers along the lines it's fun!
||Compatible with iPhone, iPod Touch, and iPad. Requires iOS 3.1 or later. iTunes account required