U+2248 "≈" Almost Equal To Unicode Character

U+2248 "≈" Almost Equal To is a mathematical symbol used to indicate that two values are approximately or roughly equal, but not exactly identical. It is commonly employed in mathematics, physics, and engineering to express approximations, such as when rounding numbers or stating that a result is close to another value within a tolerable margin of error. The symbol visually resembles two wavy horizontal lines stacked vertically, and it is distinct from the single wavy line used for the tilde, which can serve other purposes like denoting similarity in geometry or equivalence in text.