This calculator can convert numbers ranging from 1 to 3999 between Roman numerals and decimal numbers.

This online calculator helps to convert fractional number in one numeral system to fractional number in other numeral system.

These online calculators convert to and from the binary reflected in the Gray code and can produce a table for an n-bit Gray code

Roman Arithmetic Calculator allows users to perform arithmetic operations on Roman numerals. It can be particularly useful for historians, classicists, or anyone interested in ancient history or mathematics.