Roman numerals are a numeral system which was used in Ancient Rome. It uses letters instead of numbers to represent values. You may have seen Roman numerals on clocks and on TV or film credits. Why ...

Children who start elementary school with difficulty associating small exact quantities of items with the printed numerals that represent those quantities are more likely to develop a math-related ...

Pope Benedict XVI has left the Vatican. Love the Catholic Church or not, you have to admit the Roman numerals following a pope's name are distinctive. They set the pope apart from the rest of ...