The app ‘Math Solver for all’ allows to solver problems with step by step description about maths

Features:
- Allow to solve equations about algebra, integrals, limits, trigonometry, logarithms
- Allow to draw grapth of function
- Allow to generate problems and solve them

Best android apps:
https://m.facebook.com/AndroidVN2018/
or
https://androidvn.tumblr.com
or
https://tlkhoa.blogspot.com/search/label/Android%20Apps