- Initial Deposit: Amount invested at the start.
- Yearly Additions: Additional amount invested every year.
- Investment Return: Rate of return on your investment.
- Years: Total number of years.
- # of Simulations: Number of times the simulation is run.
- Return Variation: How much the return varies every year. For example,
a return variation of 20% with an investment return of 10% will randomly
give a return between 0 and 20% every year.