+A surface integral extends [Integration](/wiki/integration) to a two-dimensional surface within three-dimensional space. It sums infinitesimal quantities, such as [Vector Fields](/wiki/vector_field) or flux, across a curved boundary, providing a total measure over the surface.
+## See also
+- [Calculus](/wiki/calculus)
+- [Line Integral](/wiki/line_integral)
+- [Volume Integral](/wiki/volume_integral)
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