App has following features.
1. Calculate Simple Interest
2. Calculate Compound Interest
3. Calculate EMI for Loan .
4. Compare Simple Interest and Compound Interest.

Time period or duration can be specified in dates or years , months and days can be given as input.

Simple Interest
- Final Amount and simple interest can be calculated from principal , rate of interest and time period or duration
- Principal can be calculated from final amount , rate of interest , time period or duration
- Rate of Interest can be calculated from Final amount , Principal , Time period or duration
- Time period or duration can be calculated from final amount , principal , rate of interest

Compound Interest
- Final Amount and compound interest can be calculated from principal , rate of interest and time period or duration
- Principal can be calculated from final amount , rate of interest , time period or duration
- Rate of Interest can be calculated from Final amount , Principal , Time period or duration
- Time period or duration can be calculated from final amount , principal , rate of interest .

EMI
Loan EMI can be calculated from Loan amount, rate of interest and loan duration or loan time period.
Loan amount can be calculated from monthly EMI , rate of interest , Loan duration .
Loan duration can be calculated from Montly EMI , Loan Amount and rate of interest.

Simple Interest vs Compound Interest
Simple Interest and Compound Interest can be compared easily on one screen.