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The rules as we now know them today governing the Roman numeral system had absolutely nothing to do with the ancient Romans because they were introduced during the Middle Ages presumably to make Roman numerals more compatible with Hindu-Arabic numerals that were gradually replacing Roman numerals at the time but there once were only two basic rules governing the Roman numeral system and they were as follows:-
Positive numerals went from left to right in descending order.
Negative numerals went from right to left in ascending order.
As for example: SXCL = -1/2-10+100+50 = 139.5
Note that: -10 is less than -1/2 and that 100 is greater than 50
As for example: SXXCL = -1/2-20+100+50 = 129.5
Note that: -20 is less than -1/2 and that 100 is greater than 50
The above examples were extracted with slight modifications from the reference book 'History of Mathematics' volume 2 by David Eugene Smith first published in 1925 and ISBN 0486 204 308
QED
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What is the REAL roman numeral for 998?
998- CMXCVIII 998 is CMXCVIII in roman numerals because CM represents 900 in roman numerals, XC represents 90 in roman numerals and VIII represents 8 in roman numerals; technically this is the correct answer.
Why VL in Roman numerals is incorrect?
In ancient Rome the numerals of VL would have been perfectly acceptable as being the equivalent of 45. But the real rules governing the original Roman numeral system were changed during the Middle Ages and as a result the equivalent of 45 in Roman numerals today is considered to be XLV.
What is the REAL roman numeral for 111?
111- CXI 111 is CXI in roman numerals because C represents 100 in roman numerals, X represents 10 in roman numerals and I represents one in roman numerals. Because of this, XI is 11 in roman numerals; so this will be the correct answer.
What is the REAL roman numeral for 1800?
1800- MDCCC Why is MDCCC 1800 in roman numerals; because M represents 1000 in roman numerals and DCCC represents 800 in roman numerals, this is the correct answer.
What is 2.97 in numerals?
Decimals cannot be written in roman numerals. Only whole real numbers.
