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9.5 Summary (EMBJN)

  • Simple interest: \(A = P(1 + in)\)
  • Compound interest: \(A = P(1 + i)^n\)
  • Simple depreciation: \(A = P(1 - in)\)
  • Compound depreciation: \(A = P(1 - i)^n\)
  • Nominal and effective annual interest rates: \(1 + i = \left( 1 + \frac{i^{(m)}}{m} \right)^m\)