- compound-interest RATE FREQ TIME #!optional PRINprocedure
The accumulation function, the principle is assumed 1. Returns the compound interest for the RATE, applied with FREQ, over TIME.
- RATE ; number ; interest rate
- FREQ ; number ; compounding frequency
- TIME ; number ; time period to cover
- PRIN ; number ; principle, default 1
(compound-interest 0.043 4 6 1500) ;=> 1938.84 ;rounded to 2 places