INFINITY

About this character

U+221E, the infinity symbol (∞), denotes an unbounded quantity or endlessness. Mathematician John Wallis introduced it in 1655, likely adapting the Roman numeral for 1000 (ↀ) or the Greek omega. Its primary uses span calculus limits, set theory, and cardinal arithmetic. In programming, it appears in Unicode strings, mathematical libraries, and as a sentinel for boundless values. Designers employ it as a decorative motif, while typographers appreciate its elegant, continuous stroke. In writing, it conveys eternal or limitless concepts, often appearing in poetry and branding. This single glyph compactly expresses a profound and universal idea.

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