Tag Archives: compound interest formulas

Compound Interest Formulas and CI Practice Problems Using Shortcut Tricks Compound Interest: It is the interest which is calculated not only on the principal amount invested but also on the interest earned in previous periods. Compound Interest Formulas CI Formulae: Amount = P[1+(r/100)] Compound Interest (CI) = P [ (1+r/100)t -1 ]. Simple Interest (SI) = (CI * rt) / 100 [(1+r/100)t -1]. …