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Converts arabic numerals to roman numerals; also converts roman numerals to arabic. Major points on the Roman scale are :-
| Roman Numerals |
Arabic Numerals |
| I = | 1 |
| V = | 5 |
| X = | 10 |
| L = | 50 |
| C = | 100 |
| D = | 500 |
| M = | 1000 |
- A letter placed before a number of greater value subtracts from the number, as IX=10-1=9 etc. etc.
- A letter placed after one of greater value adds to the number, as XI=10+1=11.
- A repeated letter repeats its value, as XX=10+10=20; CCC=100+100+100=300.
Arabic / Roman Numerals
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