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  2. Roman numerals - Wikipedia

    en.wikipedia.org/wiki/Roman_numerals

    The Roman numerals, in particular, are directly derived from the Etruscan number symbols: 𐌠 , 𐌡 , 𐌢 , 𐌣 , and 𐌟 for 1, 5, 10, 50, and 100 (they had more symbols for larger numbers, but it is unknown which symbol represents which number). As in the basic Roman system, the Etruscans wrote the symbols that added to the desired ...

  3. Numeral prefix - Wikipedia

    en.wikipedia.org/wiki/Numeral_prefix

    Numeral or number prefixes are prefixes derived from numerals or occasionally other numbers. In English and many other languages, they are used to coin numerous series of words. For example: simplex, duplex (communication in only 1 direction at a time, in 2 directions simultaneously) unicycle, bicycle, tricycle (vehicle with 1 wheel, 2 wheels ...

  4. Greek numerals - Wikipedia

    en.wikipedia.org/wiki/Greek_numerals

    The first line contains the number " ͵θϡϟϛ δʹ ϛʹ ", i.e. " 9,996 + 14 + 1⁄6 ". It features each of the special numeral symbols sampi (ϡ), koppa (ϟ), and stigma (ϛ) in their minuscule forms. Greek numerals are decimal, based on powers of 10. The units from 1 to 9 are assigned to the first nine letters of the old Ionic alphabet ...

  5. List of numeral systems - Wikipedia

    en.wikipedia.org/wiki/List_of_numeral_systems

    [1]: 38 The term is not equivalent to radix, as it applies to all numerical notation systems (not just positional ones with a radix) and most systems of spoken numbers. [1] Some systems have two bases, a smaller (subbase) and a larger (base); an example is Roman numerals, which are organized by fives (V=5, L=50, D=500, the subbase) and tens (X ...

  6. Romanian numbers - Wikipedia

    en.wikipedia.org/wiki/Romanian_numbers

    Number Ordinal number Meaning masculine feminine 1: primul (întâiul/întîiul) prima (întâia/întîia) "the first" 2: al doilea: a doua "the second" 3: al treilea: a treia "the third" 4: al patrulea: a patra "the fourth" 5: al cincilea: a cincea "the fifth" 6: al șaselea: a șasea "the sixth" 7: al șaptelea: a șaptea "the seventh" 8: al ...

  7. Arabic numerals - Wikipedia

    en.wikipedia.org/wiki/Arabic_numerals

    They are also called Western Arabic numerals, Ghubār numerals, Hindu–Arabic numerals, [1] Western digits, Latin digits, or European digits. [2] The Oxford English Dictionary uses lowercase Arabic numerals , and the fully capitalized term Arabic Numerals for the Eastern Arabic numerals . [ 3 ]

  8. History of mathematical notation - Wikipedia

    en.wikipedia.org/wiki/History_of_mathematical...

    hide. The history of mathematical notation[ 1 ] includes the commencement, progress, and cultural diffusion of mathematical symbols and the conflict of the methods of notation confronted in a notation's move to popularity or inconspicuousness. Mathematical notation [ 2 ] comprises the symbols used to write mathematical equations and formulas.

  9. Sign-value notation - Wikipedia

    en.wikipedia.org/wiki/Sign-value_notation

    In Roman numerals, for example, X means ten and L means fifty, so LXXX means eighty (50 + 10 + 10 + 10). Although signs may be written in a conventional order the value of each sign does not depend on its place in the sequence, and changing the order does not affect the total value of the sequence in an additive system.