Compound Interest

Objectives

  • Master CI formulas and conversions.

Key Concepts

  • Annual, half-yearly, quarterly compounding.
  • Effective rate: (1 + r/n)^{n} - 1.

Key Formulas

Amount A = P(1 + r/100)^t.

Solved Example

Principal 1000, rate 10%, 2 years ⇒ A = 1210.

Practice