Rikeibo app for iPhone and iPad

This is a loan calculation app.
[monthly] [weekly] [semi annually] - If you enter 3 items out of 4 items, loan amount, annual interest rate, repayment period, and repayment amount, the remaining 1 item will be calculated.
[monthly and semi annually combined] - After entering the annual interest rate and repayment period, enter 2 out of 4 items, the loan amount and repayment amount for monthly payment, and the loan amount and repayment amount for bonus payment, and the remaining 2 items will be calculated. It will be easier to determine the ratio of monthly payments to bonus payments.
The history of the trial calculation result is displayed.
Pass the calculation result to the mail app.
Supports 4-way display. (iPad has two way)