Mathematical Basis & Formula Guide
This calculation model operates directly using continuous mathematical equations:
EAR = (1 + Nominal Rate / n)^n - 1.
Calculations are computed locally on your device with high-precision 64-bit IEEE floating-point arithmetic. No financial or personal parameters are transmitted to any remote analytics or storage server.
Frequently Asked Questions
APY reflects compounding over the year, meaning you earn or owe interest on previously accrued interest.