The Arabic numerals (1,2,3,4,5,6,7,8,9,0) are a set of abstract symbols which requires the users to memorize each shape before using them.
Nine Circles Number is new numeral system based on a simple visual logic of arithmetic progression. Instead of relying on memorizing the elements, it relies on counting the elements. Like the Arabic numerals, Nine Circles Number is based on the decimal system.
NCN was designed to see the numbers in a completely new way: as a mysterious and beautiful puzzle.