About 44,800 results
Open links in new tab
  1. Number sign - Wikipedia

    The standard notation for this class uses the number sign symbol, not the sharp sign from music, but it is pronounced "sharp P". More generally, the number sign may be used to denote the class of counting …

  2. Number sign | Meaning & Symbol | Britannica

    number sign, versatile symbol (#) most commonly used to preface numbers (e.g., apartment #1) but which encompasses a variety of other uses, especially to tag (or hashtag) posts and messages on …

  3. What’s The #’s Real Name? | Dictionary.com

    Nov 7, 2017 · Musicians recognize # as the sharp symbol, denoting a note one half step higher. Copy editors see a symbol meaning “space,” as in “add a space between two sentences.” In computer …

  4. What Is The Pound Symbol ( # ) And How Do You Use It?

    Apr 11, 2022 · What is a pound symbol? The pound symbol (#), also known by many other names that include pound sign, number sign, hash mark, and hashtag, is a typographical symbol that is rarely …

  5. Number Sign Symbol

    Number sign is a name for the symbol #, which is used for a variety of purposes, including the designation of a number (for example, "#1" stands for "number one").

  6. Writing Tips: How to Use the Number Sign (#) - Proofed

    Feb 6, 2020 · The "#" symbol has many names: number sign, hash sign, pound sign, octothorpe. But when should you use it in your writing? Check out our blog to find out.

  7. What Is an Octothorpe? - Computer Hope

    Sep 7, 2025 · Also called a hash, number sign, or pound sign, the octothorpe is the typographical symbol "#" (two horizontal lines and two vertical lines, crossed). On US QWERTY keyboards, the # …

  8. Number Sign - Rules and Examples - GRAMMARIST

    The number sign (#) is a typographical symbol that represents the word “number” in American English and in Canada. Generally placed immediately before a number or series of digits (with no spaces), it …

  9. number sign - ASCII Code

    Since 2007, widespread usage of the symbol to introduce metadata tags on social media platforms has led to such tags being known as "hashtags", and from that, the symbol itself is sometimes called a …

  10. number sign - Wiktionary, the free dictionary

    Jun 12, 2026 · The number sign (#) is used when the number to be printed represents cents only, and is designed to prevent any one from placing a false figure in the dollar position on the check.