Decimal

Alternatively referred to as base 10, decimal is a numbering system comprised of the numerals 0 to 9.

Decimal fractions

A decimal fraction is a fraction with a denominator of a power of ten, determined by the number of digits to the right of the decimal point or decimal separator. For example, 2/10, 2/100, and 2/1000 are expressed in decimal as 0.2, 0.02, and 0.002.