A refresher on the Roman numeral system: the symbols I, V, X, and L stand for 1, 5, 10, and 50 respectively. If I appears after a symbol, it is added to the larger symbol. If it comes before ...

There are 118 elements in the periodic table, each with a unique symbol and atomic number. Symbol: A one or two-letter abbreviation used to represent the element. Atomic number: The number of ...

So, you're a little bit confused about Roman numerals. Don't worry. There is an expert here to help you understand this Super Bowl nonsense. Roman numerals can be summarized ... Roman numerals ...