Current Savings: Allows users to enter their current savings balance.
Annual Contribution: Users can input how much they plan to contribute to their savings or investment each year.
Years Until Retirement: The number of years the user has left until they plan to retire.
Expected Annual Return: The expected annual rate of return on investments (expressed as a percentage).
Projected Retirement Savings: Calculates the total savings at the end of the investment period, factoring in compound interest and annual contributions.