Unary numeral system
= Unary numeral system
{wiki=Unary_numeral_system}
The unary numeral system is the simplest numeral system in which each natural number is represented by a corresponding number of symbols or marks, typically ones. In unary, the number \\( n \\) is represented by \\( n \\) occurrences of a single symbol, which is usually a vertical line (|) or a dot (•).