三角，可以执行计算并在您的指尖三角函数的最重要的概念。您可以生成的三角函数惊人的图形。
理想的初中，高中教师和学生。
Last updated on 2015年08月01日
New features:
1.- Select the language in the app.
2.- Images can be zoomed just by tapping on them with your finger
3.- You can save in a draft your calculations and concepts.
4.- You can send by email, facebook o message your calculations and concepts drafts.
5.- Prefix in units like mm, cm, km.
Thank you...!!
