The deterministic time-value-of-money core behind the actuarial FM exam and fixed-income finance: compound interest and discount, effective vs nominal rates and the force of interest δ; the present and accumulated value of level annuities (aₙ and sₙ); loan amortization and the interest/principal split; bond pricing at a premium or discount and book value; yield rates via net present value and the internal rate of return; and interest-rate risk through Macaulay duration and convexity.
Free to start · adaptive placement finds your level · reviews timed so it stays learned.
Every idea is taught with motivation and a worked example before the drills, and an FSRS spaced-repetition engine schedules each review for the moment just before you'd forget it. A short placement check finds what you already know, so you start Financial Mathematics (Actuarial) exactly where it's useful.