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  2. Modern Arabic mathematical notation - Wikipedia

    en.wikipedia.org/wiki/Modern_Arabic_mathematical...

    From the Arabic letter ا ʾalif; a and ا ʾalif are the first letters of the Latin alphabet and the Arabic alphabet's ʾabjadī sequence respectively, and the letters also share a common ancestor and the same sound ٮ: A dotless ب bāʾ; b and ب bāʾ are the second letters of the Latin alphabet and the ʾabjadī sequence respectively

  3. Mathematical operators and symbols in Unicode - Wikipedia

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

    The Arabic Mathematical Alphabetic Symbols block (U+1EE00–U+1EEFF) contains characters used in Arabic mathematical expressions. Arabic Mathematical Alphabetic Symbols [1] [2] Official Unicode Consortium code chart (PDF)

  4. Glossary of mathematical symbols - Wikipedia

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

    ≠ (not-equal sign) Denotes inequality and means "not equal". ≈ The most common symbol for denoting approximate equality. For example, ~ 1. Between two numbers, either it is used instead of ≈ to mean "approximatively equal", or it means "has the same order of magnitude as". 2.

  5. Kaktovik numerals - Wikipedia

    en.wikipedia.org/wiki/Kaktovik_numerals

    30,561 10 3,G81 20 ÷ ÷ ÷ 61 10 31 20 = = = 501 10 151 20 30,561 10 ÷ 61 10 = 501 10 3,G81 20 ÷ 31 20 = 151 20 ÷ = (black) The divisor goes into the first two digits of the dividend one time, for a one in the quotient. (red) fits into the next two digits once (if rotated), so the next digit in the quotient is a rotated one (that is, a five). (blue) The last two digits are matched once for ...

  6. Arabic alphabet - Wikipedia

    en.wikipedia.org/wiki/Arabic_alphabet

    The Arabic alphabet, [a] or the Arabic abjad, is the Arabic script as specifically codified for writing the Arabic language. It is written from right-to-left in a cursive style, and includes 28 letters, [b] of which most have contextual letterforms. Unlike the modern Latin alphabet, the script has no concept of letter case.

  7. List of numeral systems - Wikipedia

    en.wikipedia.org/wiki/List_of_numeral_systems

    Can be notated with the digits 0–9 and the cased letters A–Z and a–z of the English alphabet. 64: Tetrasexagesimal: I Ching in China. This system is conveniently coded into ASCII by using the 26 letters of the Latin alphabet in both upper and lower case (52 total) plus 10 numerals (62 total) and then adding two special characters (+ and ...

  8. Abjad numerals - Wikipedia, the free encyclopedia

    en.wikipedia.org/wiki/Abjad_numerals

    The Abjad numerals are a decimal numeral system in which the 28 letters of the Arabic alphabet are assigned numerical values. From Wikipedia, the free encyclopedia.

  9. Spanish orthography - Wikipedia

    en.wikipedia.org/wiki/Spanish_orthography

    Ortografía de la lengua española (2010). Spanish orthography is the orthography used in the Spanish language.The alphabet uses the Latin script.The spelling is fairly phonemic, especially in comparison to more opaque orthographies like English, having a relatively consistent mapping of graphemes to phonemes; in other words, the pronunciation of a given Spanish-language word can largely be ...