# 20 Handy Integrals for Calculus

If you’re studying integral calculus, the following integrals will help you to work out complex calculations involving area, volume, arc length, center of mass, work, and pressure.

** Note:** Where

*a*is a constant

** Note:** Where

*a*is a constant

** Note:** Where

*a*is a constant)

** Note:** Where

*a*is a constant

** Note:** Where

*a*is a constant