# Chapter 10: Symbols and Formulas Introduced

# The Formulas You Need to Know

## Symbols Used

[latex]I[/latex] = Interest payment amount

[latex]i[/latex] = Periodic interest rate

[latex]n[/latex] = Number of compounding periods

[latex]FV[/latex] = Future or maturity value

[latex]PV[/latex] = Principal or present value

## Formulas Used

Periodic Interest Amount:

[latex]I=PV \times i[/latex]