- This is easy cool sum counter.
- if you operate street store or when you need to calculate repetative sales, sold amount of product or want to get sum of money or something, you must use this counter.
- Just input number, tap + button and tap the buttons that you want to calculate the sum.
- if you want to delete registered buttons, then just press long on the button that you want to delete.
- Registered buttons is maintained after restart the app, reset button will initialize the price and counter number.

- Calculation is always correct, So you don't worry about inaccurate result by your hand calculations.

- You can feel that you can save your free time and effort.