It is a tool to do the accounting at the party and joint party smoothly.
Can it make to the Dutch treat equally and the paid ratio be changed.
The calculator for joint party to which usual play Kokoro for the party is taken is a set and exists.

・Dutch treat calculator
The amount of the payout per person is displayed only by inputting paid number of people and amount of money and pushing the calculation button. It is possible to correspond even when the amount of money to which the specific person is decided is paid.

・joint party calculator
Please when you want to change the ratio that the man and the woman pay.
The amount of money paid a decided ratio not only is changed but also there is roulette that decides the person and the ratio paid by the game sense. (The content of roulette can be arbitrarily set. )

It is possible to change easily in detail by Dutch treat [surukamo] "Setting" to how much.