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  2. Roman numerals - Wikipedia

    en.wikipedia.org/wiki/Roman_numerals

    Thus, 500 was like a Ɔ superimposed on a ⋌ or ⊢, making it look like Þ. It became D or Ð by the time of Augustus, under the graphic influence of the letter D . It was later identified as the letter D ; an alternative symbol for "thousand" was a CIↃ , and half of a thousand or "five hundred" is the right half of the symbol, IↃ , and ...

  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. Finger-counting - Wikipedia

    en.wikipedia.org/wiki/Finger-counting

    Woman counts to ten in English, using her fingers. Finger-counting, also known as dactylonomy, is the act of counting using one's fingers. There are multiple different systems used across time and between cultures, though many of these have seen a decline in use because of the spread of Arabic numerals.

  5. Tally marks - Wikipedia

    en.wikipedia.org/wiki/Tally_marks

    Roman numerals, the Brahmi and Chinese numerals for one through three (一 二 三), and rod numerals were derived from tally marks, as possibly was the ogham script. [7] Base 1 arithmetic notation system is a unary positional system similar to tally marks. It is rarely used as a practical base for counting due to its difficult readability.

  6. History of ancient numeral systems - Wikipedia

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

    Sexagesimal numerals were a mixed radix system that retained the alternating bases of 10 and 6 that characterized tokens, numerical impressions, and proto-cuneiform numerical signs. Sexagesimal numerals were used in commerce, as well as for astronomical and other calculations.

  7. Body-part counting system - Wikipedia

    en.wikipedia.org/wiki/Body-part_counting_system

    One such system is the body-part counting system which make use of further body parts to extend the system beyond the ten fingers. [ 1 ] Counting typically begins by touching (and usually bending) the fingers of one hand, moves up the arm to the shoulders and neck, and in some systems, to other parts of the upper body or the head.

  8. Suze Orman warned a $2 million nest egg is ‘chump change ...

    www.aol.com/finance/suze-orman-warned-2-million...

    As the home values appreciate, so does the value of Cityfunds equity investment alongside the homeowner. So you can invest in the housing market of a city you love for as little as $500 .

  9. Roman numeral analysis - Wikipedia

    en.wikipedia.org/wiki/Roman_numeral_analysis

    Roman numerals are sometimes complemented by Arabic numerals to denote inversion of the chords. The system is similar to that of Figured bass, the Arabic numerals describing the characteristic interval(s) above the bass note of the chord, the figures 3 and 5 usually being omitted. The first inversion is denoted by the numeral 6 (e.g.