Positive Solutions 对比 Quadratic Formula Calculator 的使用情况和统计数据

This application is develop to help local retailers in Curaçao. When any Foreigner come to the vendors they are having confusion about the currency and how much to give and how much they will get change. This application will do the needful for them to set the rate for the currency converter and based on that customer can see how much they are paying and how much they will get change. This application is to help and enhance people transparency.