Decimalisation (other)
Decimalisation or decimalization is the conversion of a measurement system to units of decimal (base ten) form, instead of traditional units of other forms, such as those formed by successive doubling or halving. For example, a series of (1000, 100, 10, 1, 0.1, 0.01, 0.001) instead of (16, 8, 4, 2, 1, , , , , , ). Thus the word may refer to: * Decimalisation of currencies * Decimalisation of physical measurements (such as distance or weight), intimately bound historically with metrication * Decimalisation of time units ** Decimalisation of the time of day via decimal time systems ** Decimalisation of the calendar via decimal calendar A decimal calendar is a calendar which includes units of time based on the decimal system. For example, a "decimal month" would consist of a year with 10 months and 36.52422 days per month. History Egyptian calendar The ancient Egyptian calenda ...

Decimal
The decimal numeral system (also called the base-ten positional numeral system and denary or decanary) is the standard system for denoting integer and non-integer numbers. It is the extension to non-integer numbers (''decimal fractions'') of the Hindu–Arabic numeral system. The way of denoting numbers in the decimal system is often referred to as ''decimal notation''. A decimal numeral (also often just ''decimal'' or, less correctly, ''decimal number''), refers generally to the notation of a number in the decimal numeral system. Decimals may sometimes be identified by a decimal separator (usually "." or "," as in or ). ''Decimal'' may also refer specifically to the digits after the decimal separator, such as in " is the approximation of to ''two decimals''". Zero-digits after a decimal separator serve the purpose of signifying the precision of a value. The numbers that may be represented in the decimal system are the decimal fractions. That is, fractions of the form , w ...
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Decimalisation
Decimalisation or decimalization (see American and British English spelling differences, spelling differences) is the conversion of a system of currency or of weights and measures to units related by Power of 10, powers of 10. Most countries have decimalised their currencies, converting them from non-decimal sub-units to a decimal system, with one basic currency unit and sub-units that are valued relative to the basic unit by a power of 10 (number), 10, most commonly 100 and exceptionally 1000, and sometimes at the same time, changing the name of the currency and/or the conversion rate to the new currency. Today, only two countries have ''de jure'' non-decimal currencies, these being Mauritania (where 1 Mauritanian ouguiya, ouguiya = 5 khoums) and Madagascar (where 1 Malagasy ariary, ariary = 5 iraimbilanja): however, these currencies are ''de facto'' decimal as the value of both currencies' main unit is now so low that the sub-units are too small to be of any practical use, and ...
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Metrication
Metrication or metrification is the act or process of converting to the metric system of measurement. All over the world, countries have transitioned from local and traditional Unit of measurement, units of measurement to the metric system. This process began in French Revolution, France during the 1790s, and has persistently advanced over two centuries, accumulating into 95% of the world officially only using the International System of Units, modern metric system. Nonetheless, this also highlights that certain countries and sectors are either still transitioning or have chosen not to fully adopt the metric system. Overview The process of metrication is typically initiated and overseen by a country's government, generally motivated by the necessity of establishing a uniform measurement system for effective international cooperation in fields like trade and science. Governments achieve metrication through either mandatory changes to existing units within a specified timeframe ...
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Decimal Time
Decimal time is the representation of the time of day using units which are decimally related. This term is often used specifically to refer to the French Republican calendar time system used in #France, France from 1794 to 1800, during the French Revolution, which divided the day into 10 decimal hours, each decimal hour into 100 decimal minutes and each decimal minute into 100 decimal seconds (100,000 decimal seconds per day), as opposed to the more familiar standard time, which divides the day into 24 hours, each hour into 60 minutes and each minute into 60 seconds (86,400 International System of Units, SI seconds per day). The main advantage of a decimal time system is that, since the radix, base used to divide the time is the same as the one used to represent it, the representation of hours, minutes and seconds can be handled as a unified value. Therefore, it becomes simpler to interpret a timestamp and to perform conversions. For instance, 12345 is 1 decimal hour, 23 decima ...
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