【實用教育app】bFormula|最夯免費app-綠色工廠好玩App

bFormula contains drag-able calculator.i.e. you can move the calculator buttons position where ever you want. bFormula also contains the most useful and daily used formulas of trigonometry , differentiation , integration and area of triangle. This is most beneficial application for mathematics students. This application includes all the basic formulas that are required to solve any mathematical problem.