LoanRateCalculation app for iPhone and iPad

The main function of the Loan rate calculation App is to calculate the annualized interest rate for different types of loans. 
Pay lower interest. Enter the principal, interest category, and the corresponding interest amount, and calculate the corresponding annual interest rate.
Your calculations are also recorded, and you can delete the history.
How to use App:
1. Enter the principal
2. Select interest category: Daily interest, monthly interest, annual interest
3. Enter the corresponding interest amount
4. After clicking the button, the calculation result is the corresponding annualized interest rate