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: ...

Click on the "System Tools" folder, and then click on "Character Map." Scroll down about four-fifths of the way down the Character Map screen. You'll see the heart symbol on the far left side.

Like Roman numerals, their system borrowed letters; like the Arabic numerals we still use, it only needed one symbol for each decimal place. In the 6th century BCE, the Greek alphabet used 24 letters.

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.” ...