GeoGebra Classroom
- Moveable point on vertical axis specifies Starting amount.
- Nominal Annual Interest Rate is set with the top slider (between and 0.5, in increments of 0.1).
- Green diamonds show balances after 1,2,3, and 4 years of annually compounded interest.
- Blue slider for M and checkbox enable a graph of account balance with compounding M times per year.
- Red slider for N (increments of 4) and its checkbox does similar stuff.
- The remaining checkbox will show a table with green, blue, red balances after 4 years.