U+223C "∼" Tilde Operator Unicode Character

U+223C "∼" Tilde Operator is a mathematical symbol used to denote a relationship of equivalence, similarity, or proportionality between two entities, distinct from the ordinary ASCII tilde (~) which often serves a typographical or spacing role. In formal notation, it frequently appears in expressions such as "a ∼ b" to indicate that a is similar to b, and it is also employed in contexts like geometry for congruence or in probability theory for distributions that are asymptotically equivalent. Its inclusion in the Unicode standard ensures precise rendering and distinction in digital texts, particularly in scientific, technical, and mathematical documentation.