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| | Numeral system Biography,info |
 | | The numerals used when writing numbers with digits or symbols, is divided into two types that might be called the arithmetic numerals 0,1,2,3,4,5,6,7,8,9 and the geometric numerals 1,10,100,1000,10000... |
 | | The sign-value system does not need arithmetic numerals because they are made by repetition (except for Ionic system), and the positional system does not need geometric numerals because they are made by position. |
 | | Sexagesimal was a Mixed radix system with an alternating base 10 and base 6 and was by 1950 BC a place-value notation system. |
| www.danceage.com /biography/sdmc_Numerals (3462 words) |
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