Compound Interest Helper
iOS iPhone Productivity
The easiest way to figure out how you money grows on compound interest. Key in the principal amount, interest rate, frequency of the interest compounded per year and scroll the years to grow, you can instantly get the answer.
1. The total amount and total interest will always keep updating when there is a change on any field after tapping the "Done" key.
2. Change the default keyboard to numbers and punctuation.
3. Tested with iPhone OS 3.0.