U+2233 • calculus
The anticlockwise contour integral symbol (∳) used in calculus and complex analysis to denote integration along a closed contour in an anticlockwise direction. It specifies the orientation of the path integral.
The Symbol For Anticlockwise Contour Integral (∳) is a unicode character in the Basic Multilingual Plane Plane. It is found in the Mathematical Operators block and was approved as part of Unicode Version 1.1 in 1993
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