Interest Rates and the Time Value of Money

Free SOA Exam FM (Financial Mathematics) lesson in Time Value of Money. 20 min read, ~2,958 words.

Compound interest is the FM default,. Use simple interest only when explicitly stated. Six rate symbols:,,,. Converting between them is the most tested mechanical skill. Discount factor appears in virtually every FM formula. Force of interest: constant; variable, integrate, then exponentiate. Real rate: exact formula, not.

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