Calculators
FM Toolkit • QuantKit
Actuarial and money calculators, each verified against a known-answer sheet before it shipped. Two are free; the full bundle is on Gumroad.
Interest Theory Calculator
FreeAccumulation and discount factors, annuities, and present values for Exam FM interest theory — v, d, a-angle-n, s-angle-n, and perpetuities.
Open the calculator on Muse.ai ↗Minimum Payment Calculator
FreeSee what paying only the minimum really costs. A $1,200 balance at 24.99% APR paid at $35/month takes 61 months and $925.71 in interest — run your own numbers.
Open the calculator →FM Toolkit — Exam FM Bundle
$19 bundleThe Interest Theory Calculator plus the Loan Amortization Calculator: payment, balance after any payment, and total interest, computed with exact (unrounded) payments.
Get the bundle →