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## Homework Statement

Hey as per ususal our physics course has run ahead of our maths course and started using this type of integral[tex]\oint[/tex] for the equation for electric flux

## Homework Equations

[tex]\Phi=\oint D . dA[/tex]

Where[tex]\Phi[/tex] = Total electric flux through an area dA with electric flux density D

## The Attempt at a Solution

My Problem is that I dont understand the difference between this itegral [tex]\oint[/tex] and this one [tex]\int[/tex]

Can some one point out this difference for me please?