Paul Meyer's Lesson Plan For HMA194

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Lecture 8

Compound Interest Formula

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  • We are going to calculate the following
  1. The present value P given the future value S , interest rate i and duration n
  2. The interest rate i given S, P and n
  3. The length or duration of an investment given S, P and i
  • Perform the following funtions on your calculator
  1. Natural logarithm function ln
  2. Exponential function e
  • Differentiate between Compound interest and Simple interest

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  • Use your calculator to perform
  1. Power calculations
  2. Using brackets for calculations
  3. Use fraction key on your calculator
  • How to substitute values into formulae
  • How to transpose formulae

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  • Given transpose the equation to make P the subject