Convert Arabic/Roman NumbersConverts arabic numerals to roman numerals. Also converts roman numerals to arabic. Major points on the Roman scale are :
1. A letter placed before a number of greater value subtracts from the number, as IX=101=9 etc. etc. 2. A letter placed after one of greater value adds to the number, as XI=10+1=11. 3. A repeated letter repeats its value, as XX=10+10=20; CCC=100+100+100=300.
 
 
