## The Mathematical Symbol "Not Less-Than (≮)"

The "Not Less-Than" Symbol (≮): An Essential Inequality Notation

In the wide spectrum of mathematical notation, symbols play a pivotal role in conveying relationships succinctly and unambiguously. The ≮ symbol, representing "Not Less-Than", is one such symbol. This article delves into its meaning, importance, and instances of use.

## Decoding ≮

The ≮ symbol is a straightforward way to represent the inequality where a value is not less than another. Essentially, it combines two fundamental concepts: "less-than" (<) and "not" (¬), leading to the meaning "not less-than" or, equivalently, "greater-than or equal to".

Example 1: Basic Inequality

If we have two numbers, a and b, the relation \( a ≮ b \) states that \( a \) is neither less than nor equal to \( b \), so it must be greater than \( b \).

Example 2: Real-world Application

Consider a scenario where an individual must be at least 18 years old to vote. If \( x \) represents age, the inequality \( x ≮ 18 \) implies that the individual's age exceeds 18, rendering them ineligible to vote.

## Domains of ≮ Application

The ≮ symbol permeates several areas of mathematics and related fields:

**Algebra:**Frequently used to solve and represent inequalities.**Calculus:**In discussions about limits and bounds.**Statistics:**For defining and discussing data ranges and outliers.**Programming:**A common operator in conditional statements.

Its universal recognition ensures that mathematical and technical discussions remain clear, reducing potential ambiguities.

To sum up, the ≮ symbol is a cornerstone in mathematical notation, indicating the "Not Less-Than" relationship. It's an elegant way to depict a fundamental concept, showcasing the depth and breadth of mathematical symbolism.

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## Codes for the ≮ Symbol

The Symbol | ≮ | |

Alt Code | Alt 8814 | |

HTML Code | ≮ | |

HTML Entity | ≮ | |

CSS Code | \226E | |

Hex Code | ≮ | |

Unicode | U+226E |

## How To Insert the ≮ Symbol

(Method 1) Copy and paste the symbol.

The easiest way to get the ≮ symbol is to copy and paste it into your document.Bear in mind that this is a UTF-8 encoded character. It must be encoded as UTF-8 at all stages (copying, replacing, editing, pasting), otherwise it will render as random characters or the dreaded �.

(Method 2) Use the "Alt Code."

If you have a keyboard with a numeric pad, you can use this method. Simply hold down the Alt key and type 8814. When you lift the Alt key, the symbol appears. ("Num Lock" must be on.)(Method 3) Use the HTML Decimal Code (for webpages).

HTML Text | Output |
---|---|

<b>My symbol: ≮</b> | My symbol: ≮ |

(Method 4) Use the HTML Entity Code (for webpages).

HTML Text | Output |
---|---|

<b>My symbol: ≮</b> | My symbol: ≮ |

(Method 5) Use the CSS Code (for webpages).

CSS and HTML Text | Output |
---|---|

<style> span:after { content: "\226E";} </style> <span>My symbol:</span> | My symbol: ≮ |

(Method 6) Use the HTML Hex Code (for webpages and HTML canvas).

HTML Text | Output |
---|---|

<b>My symbol: ≮</b> | My symbol: ≮ |

**0x226E**to place the ≮ symbol on your canvas. For example:

JavaScript Text |
---|

const x = "0x"+"E9" ctx.fillText(String.fromCodePoint(x), 5, 5); |

Output |

≮ |

(Method 7) Use the Unicode (for various, e.g. Microsoft Office, JavaScript, Perl).

The Unicode for ≮ is**U+226E**. The important part is the hexadecimal number after the

**U+**, which is used in various formats. For example, in Microsoft Office applications (e.g. Word, PowerPoint), do the following:

Type | Output |
---|---|

226E [Hold down Alt] [Press x] | ≮ (The 226E turns into ≮. Note that you can omit any leading zeros.) |

JavaScript Text | Output |
---|---|

let str = "\u226E" document.write("My symbol: " + str) | My symbol: ≮ |

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## More about Mathematical Symbols

Mathematics is a universal language that is used to describe and understand the intricacies of the universe. At the heart of this language are symbols, concise representations that convey specific meanings and ideas.Just as letters come together to form words in spoken languages, mathematical symbols combine to form expressions and equations, encapsulating intricate ideas in a compact form. The history of these symbols is as varied as their meanings; some have been in use for centuries while others have been introduced more recently to describe new discoveries and concepts. Whether you are a student, educator, researcher, or simply curious, this list of mathematical symbols will serve as a guide, shedding light on their meanings, origins, and applications.

From the simple plus and minus signs to the more esoteric and complex, each symbol has its unique story and significance.