iconWant to create mathematical equations right on your mobile device?  MathTech is a full-featured text and equation editor with complete upper- and lower-case Latin and Greek character sets coupled with most of the mathematical operators, all selectable on the fly from single key touches. No special language or formatting is required.  Documents can be backed up, worked on collaboratively, and shared on the popular social media outlets.  MathTech natively supports English, Spanish, French, German, Italian, Portuguese, Russian, Japanese, Chinese, Arabic, Hebrew, Hindi, and Bengali. MathTech is available for Android and the iPhone or iPod touch.

Free, ad-supported versions are available here:
here Android app on Google Play here

Paid, ad-free versions are available here:
here Android app on Google Play here