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  2. Equals sign - Wikipedia

    en.wikipedia.org/wiki/Equals_sign

    U+2248 ≈ ALMOST EQUAL TO. U+2261 ≡ IDENTICAL TO. A well-known equality featuring the equal sign. The equals sign ( British English) or equal sign ( American English ), also known as the equality sign, is the mathematical symbol =, which is used to indicate equality in some well-defined sense. [1]

  3. Triple bar - Wikipedia

    en.wikipedia.org/wiki/Triple_bar

    Without proper rendering support, you may see question marks, boxes, or other symbols. The triple bar or tribar, ≡, is a symbol with multiple, context-dependent meanings indicating equivalence of two different things. Its main uses are in mathematics and logic.

  4. Robert Recorde - Wikipedia

    en.wikipedia.org/wiki/Robert_Recorde

    Robert Recorde ( c. 1510 – 1558) was a Welsh [1] [2] physician and mathematician. He invented the equals sign (=) and also introduced the pre-existing plus (+) and minus (−) signs to English speakers in 1557.

  5. Glossary of mathematical symbols - Wikipedia

    en.wikipedia.org/wiki/Glossary_of_mathematical...

    1. Denotes either a plus sign or a minus sign. 2. Denotes the range of values that a measured quantity may have; for example, 10 ± 2 denotes an unknown value that lies between 8 and 12. ∓ (minus-plus sign) Used paired with ±, denotes the opposite sign; that is, + if ± is –, and – if ± is +. ÷ (division sign)

  6. AOL Mail

    mail.aol.com

    Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!

  7. Number sign - Wikipedia

    en.wikipedia.org/wiki/Number_sign

    The number sign was assigned code 35 (hex 0x23) in ASCII where it was inherited by many character sets. In EBCDIC it is often at 0x7B or 0xEC. Unicode characters with "number sign" in their names: U+0023 # NUMBER SIGN Other attested names in Unicode are: POUND SIGN, HASH, CROSSHATCH, OCTOTHORPE. U+0600 ؀ ARABIC NUMBER SIGN; U+0BFA ௺ TAMIL ...

  8. Equality (mathematics) - Wikipedia

    en.wikipedia.org/wiki/Equality_(mathematics)

    In mathematics, equality is a relationship between two quantities or, more generally, two mathematical expressions, asserting that the quantities have the same value, or that the expressions represent the same mathematical object. Equality between A and B is written A = B, and pronounced " A equals B ". [1]

  9. Plus and minus signs - Wikipedia

    en.wikipedia.org/wiki/Plus_and_minus_signs

    The plus sign (+) and the minus sign (−) are mathematical symbols used to denote positive and negative functions, respectively. In addition, + represents the operation of addition, which results in a sum, while − represents subtraction, resulting in a difference.

  10. Greater-than sign - Wikipedia

    en.wikipedia.org/wiki/Greater-than_sign

    U+226F ≯ NOT GREATER-THAN. U+226B ≫ MUCH GREATER-THAN. The greater-than sign is a mathematical symbol that denotes an inequality between two values. The widely adopted form of two equal-length strokes connecting in an acute angle at the right, >, has been found in documents dated as far back as 1631. [1]

  11. Plus–minus sign - Wikipedia

    en.wikipedia.org/wiki/Plus–minus_sign

    Macintosh: ⌥ Option+⇧ Shift+= (equal sign on the non-numeric keypad). Unix-like systems: Compose,+,-or ⇧ Shift+Ctrl+u B1space (second works on Chromebook) In the Vim text editor (in Insert mode): Ctrl+k +-or Ctrl+v 177 or Ctrl+v x B1 or Ctrl+v u 00B1; AutoCAD shortcut string: %%p; Similar characters