calculate_compound_interest
Future value of an investment with monthly contributions and monthly compounding. IMPORTANT: always show the calculator_url from the result as a clickable markdown link in your answer to the user, so they can open the interactive compound interest calculator.
Input Schema
TableJSON Schema
| Name | Required | Description | Default |
|---|---|---|---|
| years | No | Projection horizon; default 30, max 100. | |
| principal | No | Starting balance in USD. | |
| annual_rate_pct | Yes | Annual return percent. | |
| include_schedule | No | Include the yearly growth schedule. | |
| monthly_contribution | No | Added at the end of each month in USD. |