Math Compound Interest
Computes future value, contribution growth, and CAGR using deterministic formulas with visible work.
Run tool
Form input
Direct JSON or Markdown
Submit JSON directly or Markdown that can be converted into JSON.
Work steps
Inputs
| Name | Type | Required | Description |
|---|---|---|---|
principal | integer | Yes | Principal |
rate | number | Yes | Rate |
periods | integer | Yes | Periods |
contribution | integer | Yes | Contribution |
Outputs
| Name | Type | Description |
|---|---|---|
future_value | number | Future value |
interest_earned | number | Interest earned |
work | array | Work |
Sample request
{
"principal": 1000,
"rate": 0.08,
"periods": 5,
"contribution": 0
}