Decimal

The decimal numeral system (also called base 10 or occasionally denary) has ten as its base. It is the numerical base most widely used by modern civilizations.

Decimal notation often refers to a base 10 positional notation such as the Hindu-Arabic numeral system or rod calculus; however, it can also be used more generally to refer to non-positional systems such as Roman or Chinese numerals which are also based on powers of ten.

A decimal number, or just decimal, refers to any number written in decimal notation, although it is more commonly used to refer to numbers that have a fractional part separated from the integer part with a decimal separator (e.g. 11.25).

A decimal may be a terminating decimal, which has a finite fractional part (e.g. 15.600); a repeating decimal, which has an infinite (non-terminating) fractional part made up of a repeating sequence of digits (e.g. 5.8144); or an infinite decimal, which has a fractional part that neither terminates nor has an infinitely repeating pattern (e.g. 3.14159265...). Decimal fractions have terminating decimal representations and other fractions have repeating decimal representations, whereas irrational numbers have infinite non-repeating decimal representations.

Decimal (unit)

A decimal (also spelled decimel) is a unit of area in India and Bangladesh approximately equal to 1/100 acre (40.46 m²). After metrication in the mid-20th century by both countries, the unit became officially obsolete. Especially among the rural population in Northern Bangladesh and West Bengal, it is still in use.

The unit is also commonly used in Uganda, especially in urban areas where land-sales are booming and traded plots are getting smaller and smaller.

See also

References

"Decimal". Sizes, grades, units, scales, calendars, chronologies. Retrieved 2007-02-19.  External link in |work= (help)

Decimal (disambiguation)

Decimal could mean: