mathematical symbol ∞ (U+221E), lemniscate

Strength tarot card, depicting a woman crowned by an infinity symbol, holding shut a lion's mouth
{\displaystyle \infty }
{\displaystyle \sum _{n=0}^{\infty }{\frac {1}{2^{n}}}=\lim _{x\to \infty }{\frac {2^{x}-1}{2^{x-1}}}=2,}
The infinity symbol (∞) is a mathematical symbol representing the concept of infinity. This symbol is also called a lemniscate, after the lemniscate curves of a similar shape studied in algebraic geometry, … Wikipedia
Factsheet
∞ {\displaystyle \infty }
In Unicode U+221E ∞ INFINITY (∞)
Different from U+267E ♾ PERMANENT PAPER SIGN
U+26AD ⚭ MARRIAGE SYMBOL
U+221D ∝ PROPORTIONAL TO
Factsheet
∞ {\displaystyle \infty }
In Unicode U+221E ∞ INFINITY (∞)
Different from U+267E ♾ PERMANENT PAPER SIGN
U+26AD ⚭ MARRIAGE SYMBOL
U+221D ∝ PROPORTIONAL TO
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Wikipedia
en.wikipedia.org › wiki › Infinity_symbol
Infinity symbol - Wikipedia
1 day ago - This symbol was first used mathematically by John Wallis in the 17th century, although it has a longer history of other uses. In mathematics, it often refers to infinite processes (potential infinity) but may also refer to infinite values (actual infinity). It has other related technical meanings, ...
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Dartmouth College
math.dartmouth.edu › ~matc › Readers › HowManyAngels › InfinityMind › IM.html
Infinity
The symbol for infinity that one sees most often is the lazy eight curve, technically called the lemniscate.
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Wikipedia
en.wikipedia.org › wiki › Infinity
Infinity - Wikipedia
4 days ago - Infinity is something which is boundless, limitless, endless. It is denoted by ∞, called the infinity symbol. From the time of the ancient Greeks, the philosophical nature of infinity has been the subject of many discussions. In the 17th century, with the introduction of the infinity symbol ...
People also ask

Who invented the common symbol for infinity?
The common symbol for infinity, ∞, was invented by the English mathematician John Wallis in 1655.
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britannica.com
britannica.com › science › mathematics
Infinity | Definition, Symbol, Types, & Facts | Britannica
What are the three main types of infinity?
The three main types of infinity are mathematical, physical, and metaphysical.
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britannica.com
britannica.com › science › mathematics
Infinity | Definition, Symbol, Types, & Facts | Britannica
What did Aristotle believe about infinity?
Aristotle rejected the notion of “actual” infinity and distinguished it from “potential” infinity, which is the ability to count without end.
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britannica.com
britannica.com › science › mathematics
Infinity | Definition, Symbol, Types, & Facts | Britannica
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Infinity Symbol
infinitysymbol.net
Infinity Symbol ∞
In writing, infinity can be noted by a specific mathematical sign known as the infinity symbol (∞) created by John Wallis, an English mathematician who lived and worked in the 17th century.
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Encyclopedia Britannica
britannica.com › science › mathematics
Infinity | Definition, Symbol, Types, & Facts | Britannica
April 6, 2006 - The common symbol for infinity, , was invented by the English mathematician John Wallis in 1655. Three main types of infinity may be distinguished: the mathematical, the physical, and the metaphysical.
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FARUZO
faruzo.com › home › infinity symbol meaning – history and symbolism explained
Infinity Symbol: The Meaning, History, and Spiritual Significance
December 4, 2024 - The infinity symbol was first introduced in 1655 by English mathematician John Wallis, who used it to represent a number that had no end. He derived the design from the Roman numeral for 1,000 (CIƆ), which was occasionally used to represent very large quantities.
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RapidTables
rapidtables.com › math › symbols › Infinity_Symbol.html
Infinity symbol (∞) - RapidTables.com
The infinity symbol is a mathematical symbol that represents an infinitely large number.
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Jagran Josh
jagranjosh.com › home › general knowledge › gk facts
5 Facts that you don’t know about the infinity symbol
April 12, 2017 - Source:www.mythologian.net.com 4. In the 17th century infinity symbol got its mathematical meaning. In 1655 it was first used by John Wallis but he never said that why he used 8 on its side as a symbol of infinity. In fact, this type of similar symbol was used by Romans to express large numbers.
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Alt Codes
alt-codes.net › infinity-symbol.php
∞ ∞ Infinity Symbol
Infinity symbol also called lemniscate, infinity is a mathematical sign, learn how to make an infinity symbol character with letter and number.
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Dictionary.com
dictionary.com › culture › pop-culture › infinity-symbol
infinity symbol | Pop Culture | Dictionary.com
March 19, 2018 - It’s not clear exactly why Wallis chose the symbol, though its shape does handily represent an endless curve; historians note that a similar figure appears in early Christian iconography and the Ancient Romans employed a series of numerals denoting “many” that resembled the figure eight. The infinity symbol became a very popular aesthetic trend beginning around 2011.
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Diamond Heaven
diamond-heaven.co.uk › home › blog › diamond rings › the history of the infinity symbol
The History of the Infinity Symbol
August 8, 2025 - The word ‘infinity’ comes from the Latin word ‘infinitas’, which means ‘unboundedness’ or ‘endless’. In modern times, the infinity symbol represents eternal love and connection. Both circles on either side of the symbol display the coming together of two people being in a relationship for eternity.
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Onecklace
onecklace.ca › home › blog › infinity symbol meaning revealed
Infinity Symbol Meaning Revealed
Modern times The infinity symbol that we recognize today was first discovered by English mathematician John Wallis, in 1655. It is a concept of mathematics and physics that refers to a quantity with no bound or end - a quantity larger than any number. The word comes from the Latin infinitas or “unboundedness”. Scientologists refer to this as the eighth dynamic, which is the urge towards an eternal and infinite existence. The eighth dynamic also is named ‘the supreme being’ or ‘creator’ - embracing the wholeness and endless capacity of all - they do not believe in reincarnation but as us having "past lives".
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Wumbo
wumbo.net › symbols › infinity
Infinity Symbol (∞)
In math, the infinity symbol () is used to represent the concept of infinity, an idea describing something that is unbounded or limitless.
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Quora
quora.com › Are-there-any-symbols-for-infinity-other-than-the-commonly-used-lemniscate-shape
Are there any symbols for infinity other than the commonly used lemniscate shape? - Quora
Answer (1 of 5): > Are there any symbols for infinity other than the commonly used lemniscate shape? There are many and varied symbols used for different sorts of infinity in mathematics, including: * \infty which is usually reserved for a Limit or occasionally for the Extended reals or the Ri...
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Centimegift
blog.centimegift.com › infinity-symbol-meaning-what-does-infinity-mean
Infinity Symbol Meaning – What Does Infinity Mean? | Centime Blog
Also known as the forever symbol or eternity symbol, the infinity symbol is becoming increasingly popular in jewellery design and tattoo art. An infinity necklace with names, for example is a common favourite for those looking to symbolize their eternal love with their loved ones.
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Hearts Rise Up
heartsriseup.com › the-infinity-symbol-a-multi-purpose-tool
The Infinity Symbol - A Multi-Purpose Tool
JavaScript is disabled in your browser · Please enable JavaScript to proceed · A required part of this site couldn’t load. This may be due to a browser extension, network issues, or browser settings. Please check your connection, disable any ad blockers, or try using a different browser
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Nomination
nomination.com › world › blog › the-infinity-symbol-meaning-and-3-nomination-jewels-that-represent-continuity
The Infinity Symbol: Meaning and 3 Nomination Jewels that Represent Continuity
July 21, 2025 - This symbol has been employed across various cultures and contexts throughout history, adopting diverse meanings in fields such as mathematics, philosophy, and spirituality. In mathematics, the infinity symbol was introduced in the 17th century by the mathematician John Wallis and represents concepts of quantities that are boundless or endless, like the never-ending sequence of natural numbers or values that increase without limits.
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Symbol Sage
symbolsage.com › home › 7 profound meanings of the infinity symbol
7 Profound Meanings of the Infinity Symbol
October 19, 2023 - The sideways eight that we now associate with infinity comes from the world of mathematics. In 1655, mathematician John Wallis was looking for a symbol to represent the concept of infinity.
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BYJUS
byjus.com › maths › infinity
Infinity
October 10, 2022 - Infinity is related to something that has no end or which is boundless. In mathematics, sometimes infinity is also mentioned as undefined. ... The symbol of infinity is .