Infinity Symbol

	HTML	Meaning
∞	∞ ∞ U+221E	Infinity Symbol The infinity symbol, also known as lemniscate, represents the concept of infinity or something without any bound in mathematics and various other disciplines.
♾️	♾ ️ U+267E U+FE0F	Infinity Emoji Represents the concept of infinity, eternity, or endlessness, especially in informal communication and digital platforms like social media and messaging apps.
♾	♾ U+267E	Permanent Paper Sign (Infinity Symbol Variant) Often used to represent the concept of infinity or endlessness, particularly in mathematical contexts and as an alternative to the standard infinity symbol (∞).
π	π π U+3C0	Pi Represents the mathematical constant Pi, the ratio of a circle's circumference to its diameter, approximately equal to 3.14159.
≠	≠ ≠ U+2260	Not Equal To Represents inequality between two values or expressions.
≈	≈ ≈ U+2248	Approximately Equal To Used to indicate that two values are approximately, but not exactly, equal.
±	± ± U+B1	Plus-Minus Symbol Indicates the possible variability or range of values, often used to represent the margin of error.
∑	∑ ∑ U+2211	Summation Symbol Represents the sum of a series of terms in mathematics.
∫	∫ ∫ U+222B	Integral Symbol Represents integration in calculus, a fundamental concept in mathematics.

What is the Infinity Symbol?

The infinity symbol, denoted as ∞, also known as lemniscate, represents the idea of something being infinite or unbounded. It is widely used in various fields such as mathematics, physics, and philosophy to describe concepts, quantities, or entities that have no limits or bounds.

Applications of the Infinity Symbol in Various Fields

The infinity symbol (∞) is not confined to mathematical contexts; it finds significance in multiple disciplines:

• Mathematics: Utilized to signify values or quantities that are unbounded.
• Physics: Employed in theories discussing infinite dimensions or infinitely large or small quantities.
• Computer Science: Used to indicate infinite loops or unbounded algorithms.
• Philosophy and Theology: Represents notions that transcend human understanding, such as the concept of an infinite being.
• Popular Culture: Symbolic of enduring love, eternity, or unending cycles, commonly found in artistic works and jewelry.

The interpretation of the infinity symbol is largely determined by its contextual usage, whether in rigorous academic fields or in symbolic and cultural expressions.

History of the Infinity Symbol

The infinity symbol was introduced by mathematician John Wallis in 1655. He used it to represent mathematical infinity, an essential concept in calculus and theoretical mathematics. The symbol has since been adopted in various other fields to denote endlessness or limitlessness.

How to Type the Infinity Symbol Using Keyboard Shortcuts, Alt Codes, and LaTeX

• Windows: Hold down the Alt key on your keyboard and type 221E on the numeric keypad, then release the Alt key.
• Mac: Press Option + 5.
• Linux: Press Ctrl + Shift + u, then type 221e and press Enter.
• HTML: Use the named entity ∞ or the numeric entity ∞.
• LaTeX: To type the infinity symbol in LaTeX, use the command \infty.

Symbols' Images