The "Download Now" link directs you to the iTunes App Store, where you must continue the download process. You must have iTunes installed in order to open the link, and you must have an active iTunes account to download the application. This download may not be available in some countries.
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!