It is a tool that can be calculated easily split the bill.
Also calculate the balance of secretary.
You can also calculate the amount of two groups of men and women, of the three groups of women man.
We are also supported if you have gotten from your boss Koushi.
Right hand to make it easier to input some input with the left hand, both hands input.
Amount is 1$.


Please comment request.
I correspond as much as possible.