Does it make sense to display a decimal number such as 12.34 as Roman numerals? If not, how else?

1. Can you use decimals with Roman numerals?
2. Which number can not be represented by Roman numerals?
3. Why are Roman numerals not used for calculations?

Can you use decimals with Roman numerals?

A number containing two or more decimal digits is built by appending the Roman numeral equivalent for each, from highest to lowest, as in the following examples: 39 = XXX + IX = XXXIX. 246 = CC + XL + VI = CCXLVI. 789 = DCC + LXXX + IX = DCCLXXXIX.

Which number can not be represented by Roman numerals?

Explanation: The roman number system was basically designed to estimate the prices of goods and trading business. So the roman system did not need any value to represent zero. But instead of zero, the word nulla was used by the Romans to specify zero.

Why are Roman numerals not used for calculations?

The Roman numerals do not employ place value, so calculations are difficult to perform using these numerals.