U+2206 "∆" Increment Unicode Character

U+2206 "∆" Increment is a mathematical symbol that represents a finite change or difference in a quantity, commonly used in calculus and physics to denote an increment, such as in the expression ∆x for a change in x. It visually resembles a capital Greek letter Delta and is distinct from the similar-looking Greek letter Δ (U+0394) used in alphabetic writing.