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  2. Mathematical operators and symbols in Unicode - Wikipedia

    en.wikipedia.org/wiki/Mathematical_operators_and...

    Unicode Technical Report #25 provides comprehensive information about the character repertoire, their properties, and guidelines for implementation. [1] Mathematical operators and symbols are in multiple Unicode blocks. Some of these blocks are dedicated to, or primarily contain, mathematical characters while others are a mix of mathematical ...

  3. Approximation - Wikipedia

    en.wikipedia.org/wiki/Approximation

    U+2252 ≒ APPROXIMATELY EQUAL TO OR THE IMAGE OF: Which is used like "≈" or "≃" in Japan, Taiwan, and Korea. U+2253 ≓ IMAGE OF OR APPROXIMATELY EQUAL TO: A reversed variation of U+2252 ≒ APPROXIMATELY EQUAL TO OR THE IMAGE OF. U+225F ≟ QUESTIONED EQUAL TO: U+2A85 ⪅ LESS-THAN OR APPROXIMATE: U+2A86 ⪆ GREATER-THAN OR APPROXIMATE

  4. Equals sign - Wikipedia

    en.wikipedia.org/wiki/Equals_sign

    The equal sign is also used as a grammatical tone letter in the orthographies of Budu in the Congo-Kinshasa, in Krumen, Mwan and Dan in the Ivory Coast. [11] [12] The Unicode character used for the tone letter (U+A78A ꞊ MODIFIER LETTER SHORT EQUALS SIGN) [13] is different from the mathematical symbol (U+003D).

  5. Mathematical Operators (Unicode block) - Wikipedia

    en.wikipedia.org/wiki/Mathematical_Operators...

    Mathematical Operators is a Unicode block containing characters for mathematical, logical, and set notation.. Notably absent are the plus sign (+), greater than sign (>) and less than sign (<), due to them already appearing in the Basic Latin Unicode block, and the plus-or-minus sign (±), multiplication sign (×) and obelus (÷), due to them already appearing in the Latin-1 Supplement block ...

  6. Tilde - Wikipedia

    en.wikipedia.org/wiki/Tilde

    A tilde is also used to indicate "approximately equal to" (e.g. 1.902 ~= 2). This usage probably developed as a typed alternative to the libra symbol used for the same purpose in written mathematics, which is an equal sign with the upper bar replaced by a bar with an upward hump, bump, or loop in the middle (︍︍♎︎) or, sometimes, a tilde ...

  7. List of typographical symbols and punctuation marks - Wikipedia

    en.wikipedia.org/wiki/List_of_typographical...

    (non-Unicode name) 'Pillow' is an informal nick-name for the 'Square lozenge' in the travel industry. The generic currency sign is superficially similar | Pipe (non-Unicode name) (Unicode name is "vertical bar") + Plus sign: minus sign, ampersand: ±: Plus–minus sign ('plus or minus') Approximately equal to ′ ″ ‴ Prime (symbol ...

  8. Supplemental Mathematical Operators - Wikipedia

    en.wikipedia.org/wiki/Supplemental_Mathematical...

    Supplemental Mathematical Operators is a Unicode block containing various mathematical symbols, including N-ary operators, summations and integrals, intersections and unions, logical and relational operators, and subset/superset relations.

  9. Braille pattern dots-2356 - Wikipedia

    en.wikipedia.org/wiki/Braille_pattern_dots-2356

    It is represented by the Unicode code point U+2836, and in Braille ASCII with the number 7. Character information ... ≈ (approximately equal) = (equal sign)