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Australian Numerals are a third number system following on from Roman numerals, which are largely superceded and Arabic numerals which are used today 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, etc. Australian Numerals comprise 19 integers. These are the standard Arabic (digits) combined with an additional 9 symbols (pigits) that represent negative integers. As the 'd' in digits points above the 'o' the integers are +ve. As the 'p' in pigits points below the 'o' these integers are -ve. The designs of the pigits are simply Arabic digits rotated 90 degrees to the left. Under Australian Numerals it is possible to perform arithmetic with only a knowledge of basic addition, subtraction and times tables up to five. Source: http://australiannumerals.org/AustralianNumeralsExplained.html
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A year is normally written as a number i.e. using digits. e.g. 'The first manned lunar mission was in 1968.' (For sample text and more information, see Related links below)
561 in Roman numerals is "DLXI". The operator "==" used below means "equivalent" , whereas the operator "=" is an "assignment". In the explanation below the Roman numerals are not being assigned the values but they are equivalent to the values shown. D 561
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the number 50 is represented as "L" in numerals. so... L miles see related link below for more info on roman numerals
DCXXIII see the link below
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