This is a calculation tool for currency conversion. When you don’t know the exchange rate of money, this application can help you calculate it.
-How to use and function
* You can easily understand the exchange rate between all currencies at any time in your life;
* First, the user can switch between the two currencies to convert, and enter the currency size at the back;
* Users can click to enter the switch currency page;
*The numeric keypad will also pop up for user convenience;