decimal hours

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• Decimal time — French decimal clock from the time of the French Revolution Decimal time is the representation of the time of day using units which are decimally related. This term is often used to refer specifically to French Revolutionary Time, which divides… …   Wikipedia

• Decimal Birthday — A decimal birthday is celebrated using the decimal (base ten) numeral system.Decimal birthdays can be celebrated using any time unit (years, months, days, hours, minutes, seconds), however the most common form of celebration uses days. The main… …   Wikipedia

• Clock face — A wall clock, with 3 dials and 5 hands at 5:05 A clock face is the part of an analog clock (or watch) that displays the time through the use of a fixed numbered dial or dials and moving hands. In its most basic form, recognized universally… …   Wikipedia

• Grad (angle) — The grad is a unit of plane angle, equivalent to frac|1|400 of a full circle, dividing a right angle in 100. It is also known as gon, grade, or gradian (not to be confused with grade of a slope or gradient, or radian). One grad equals frac|9|10… …   Wikipedia

• Chronology of computation of π — The table below is a brief chronology of computed numerical values of, or bounds on, the mathematical constant pi (π). See the history of numerical approximations of pi for explanations, comments and details concerning some of the calculations… …   Wikipedia

• Repeater (horology) — A repeater is a complication in a mechanical watch or clock that audibly chimes the hours and often minutes at the press of a button. There are many types of repeater, from the simple repeater which merely strikes the number of hours, to the… …   Wikipedia

• Timeline of Islamic science and engineering — This timeline of Islamic science and engineering covers the general development of science and technology in the Islamic world during the Islamic Golden Age, usually dated from the 7th to 16th centuries.From the 17th century onwards, the advances …   Wikipedia

• Duodecimal — For the similar sounding classification system, see Dewey Decimal Classification. Numeral systems by culture Hindu Arabic numerals Western Arabic (Hindu numerals) Eastern Arabic Indian family Tamil Burmese Khmer Lao Mongolian Thai East Asian… …   Wikipedia

• Wikipedia:Manual of Style/Dates and numbers — Shortcuts: WP:MOSNUM WP:DATE MOS:NUM This page is part of the Ma …   Wikipedia

• Economic Affairs — ▪ 2006 Introduction In 2005 rising U.S. deficits, tight monetary policies, and higher oil prices triggered by hurricane damage in the Gulf of Mexico were moderating influences on the world economy and on U.S. stock markets, but some other… …   Universalium

• History of timekeeping devices — For thousands of years, devices have been used to measure and keep track of time. The current sexagesimal system of time measurement dates to approximately 2000 BC, in Sumer. The Ancient Egyptians divided the day into two 12 hour periods, and… …   Wikipedia