∞

∞ U+221E, ∞ INFINITY ← ∝ Mathematical Operators ∟ →

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∞

Wikipedia

Early forms (e.g. in Euler's texts) may approach a 'lazy S', ∾. It has also been attributed to John Wallis and conjectured to originate from ↀ, since 1,000 was hyperbolically used to represent very large numbers.

∞

1. A symbol representing infinity.

   ∞ + ∞ = ∞

   ${\displaystyle \lim _{x\to 0^{+}}{\frac {1}{x}}=+\infty }$

This symbol is called the "infinity symbol". It is also called a lemniscate and a "lazy eight".

• (symbol): infinity symbol, infinity sign, lemniscate

• ♾

• ⧜
• ⧝
• ꝏ / Ꝏ