CalcPlusPlus app for iPhone and iPad

When using a calculator, dont we normally use it to continually add numbers? This application is a suitable and simple calculator used for adding numbers continuously. The calculation also has a calculation history, so you can easily refer to the previous calculations or rectify input errors.

Main functions
・Easily add up numbers just by input of numbers and pressing the + sign
・Each time the ＜ button is pressed, it will return the the previous calculation
・Press and hold onto the + sign to switch to the ー sign
・Copy the calculation result to the clipboard by tapping on it