【實用財經app】Graphical Calculator Plus|最夯免費app-綠色工廠好玩App

Graphical calculator featuring:- Basic Operations- Digit buttons for the user input of numbers.- Additional operation buttons like sin, cos, log, √, x²- Provide +/- button to change the leading sign. If user is entering a number, switch the sign of the main display. Else handle it like an operator, to math the last operation's result by * (-1).- π button to enter Pi and push it onto the calculator stack.- 1/x button delivers functionality to calculate reversal numbers.- variable display in the view to display the variable with values, which are used in the current program.- Reverse Polish notation.