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Published byCaitlin McGee Modified over 9 years ago
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~Adapted from Walch Education
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PSSST… Be sure to review the presentation titled; CREATING EXPONENTIAL EQUATIONS (It’s important)
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Introducing the Compound Interest Formula: The general form of the compounding interest formula is where A is the initial value, r is the interest rate, n is the number of times the investment is compounded in a year, and t is the number of years the investment is left in the account to grow.
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A Chart [for reference]
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Order of Operations Apply the order of operations divide r by n, then add 1 raise that value to the power of the product of nt multiply that value by the principal, P
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Don’t Forget to Change the percentage rate into a decimal by dividing the percentage by 100.
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~Dr. Dambreville
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