Four quadrants of the Cistercian numbering system. Each symbol can represent any 1-4 digit number. To use this system, the individual will need to memorize only nine easy symbols: ...

A CUSIP number is a code given to securities (stocks, bonds, funds) to uniquely identify them. It’s useful for investors and investment companies for tracking securities. Learn more.

To get to specific numbers, you line up and add up the symbols, from large to small. ... Why the NFL chose Roman numerals as the Super Bowl numbering system is unclear.

A Number System Invented by Inuit Schoolchildren Will Make Its Silicon Valley Debut. ... “The girl who gave us the symbol for 0, she just crossed her arms above her head like there was nothing.” ...

While the symbols for the ranks used on their uniforms are different shades of blue, if you learn to recognize the ranks for one, you'll know the ranks for the other.