Decimal could mean:
A decimal or base ten numeral system Decimal (unit), an obsolete unit of measure in India and Bangladesh Decimal data type, a data type used to represent non-repeating decimal fractions Decimal fraction, a fraction whose denominator is a power of ten Decimal representation, a mathematical expression for a number written as a series Decimal separator, used to mark the boundary between the ones and tenths place in numbers (e.g. "12.4"), often referred to as a "decimal" "Decimal", a 2013 track by Orchestral Manoeuvres in the Dark from the album English Electric Decimal (typeface) a font designed by Hoefler & Co. inspired by the markings on watch dials.
See also Decimal classification Decimal section numbering