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  2. Roman numerals - Wikipedia

    en.wikipedia.org/wiki/Roman_numerals

    The early Roman numerals for 1, 10, and 100 were the Etruscan ones: 𐌠 , 𐌢 , and 𐌟 . The symbols for 5 and 50 changed from 𐌡 and 𐌣 to V and ↆ at some point.

  3. List of numeral systems - Wikipedia

    en.wikipedia.org/wiki/List_of_numeral_systems

    "A base is a natural number B whose powers (B multiplied by itself some number of times) are specially designated within a numerical system." [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]

  4. 100 - Wikipedia, the free encyclopedia

    en.wikipedia.org/wiki/100

    Year 100 was a leap year starting on Wednesday of the Julian calendar. The denomination 100 for this year has been used since the early medieval period.

  5. Latin numerals - Wikipedia

    en.wikipedia.org/wiki/Latin_Numerals

    The Latin numerals are the words used to denote numbers within the Latin language. They are essentially based on their Proto-Indo-European ancestors, and the Latin cardinal numbers are largely sustained in the Romance languages. In Antiquity and during the Middle Ages they were usually represented by Roman numerals in writing.

  6. History of ancient numeral systems - Wikipedia

    en.wikipedia.org/wiki/History_of_ancient_numeral...

    The Roman numerals developed from Etruscan symbols around the middle of the 1st millennium BCE. [34] In the Etruscan system, the symbol 1 was a single vertical mark ...

  7. Numeral system - Wikipedia

    en.wikipedia.org/wiki/Numeral_system

    The use of these digits is less common in Thailand than it once was, but they are still used alongside Arabic numerals. [4] The rod numerals, the written forms of counting rods once used by Chinese and Japanese mathematicians, are a decimal positional system used for performing decimal calculations. Rods were placed on a counting board and slid ...

  8. 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)

  9. Number Forms - Wikipedia

    en.wikipedia.org/wiki/Number_Forms

    Number Forms is a Unicode block containing Unicode compatibility characters that have specific meaning as numbers, but are constructed from other characters.They consist primarily of vulgar fractions and Roman numerals.