Positive Solutions 與 Quadratic Formula Calculator 使用情況與統計

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.