WarikanJ app for iPhone and iPad

"WarikanJ" is an abbreviation for "Warikan Jhozu".
In japanese "Warikan" means splitting the payment. "Jhozu" means good, cleaver, or nice.
"WarikanJ" answers a payment for each person about total amount.

"Total" : Total payment
"Num of persons" : Number of members.
"Previous account" : Amount of money brought from the previous account.

"small" : Minimize change
"¥10" : Round up the number of units for pay
"¥100" : Round up the number of units for pay
"¥1000" : Round up the number of units for pay

When some people pay larger/smaller account, you use "special menu".