U+221D • mathematics
The symbol '∝' (Proportional To) expresses that one quantity is proportional to another, meaning they vary by a constant factor. It is commonly used in mathematics, physics, and engineering to indicate proportional relationships between variables.
The Symbol For Proportional To (∝) 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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