How to Add Roman Numerals
In the Roman number system a symbol has a certain value and there is no way to show place value. This makes adding numbers difficult.
So how did they do all the mathematics needed to construct their great buildings, keep track of their armies, collect taxes and make the complex calculations involved in creating the calendar?
The answer was… they used the Roman Abacus. All calculations were done on this device and then Roman numerals were used to ONLY record the totals.
Take me to the Roman Numbers Page