0 (zero) is a number representing an empty quantity. Adding (or subtracting) 0 to any number leaves that number unchanged; in mathematical terminology, 0 is the additive identity of the integers, rational numbers, real numbers, and complex numbers, as well as other algebraic structures. Multiplying any number by 0 results in 0, and consequently division by zero has no meaning in arithmetic.
As a numerical digit, 0 plays a crucial role in decimal notation: it indicates that the power of ten corresponding to the place containing a 0 does not contribute to the total. For example, "205" in decimal means two hundreds, no tens, and five ones. The same principle applies in place-value notations that uses a base other than ten, such as binary and hexadecimal. The modern use of 0 in this manner derives from Indian mathematics that was transmitted to Europe via medieval Islamic mathematicians and popularized by Fibonacci. It was independently used by the Maya.
Common names for the number 0 in English include zero, nought, naught (), and nil. In contexts where at least one adjacent digit distinguishes it from the letter O, the number is sometimes pronounced as oh or o (). Informal or slang terms for 0 include zilch and zip. Historically, ought, aught (), and cipher have also been used.
3 (three) is a number, numeral and digit. It is the natural number following 2 and preceding 4, and is the smallest odd prime number and the only prime preceding a square number. It has religious and cultural significance in many societies.
6 (six) is the natural number following 5 and preceding 7. It is a composite number and the smallest perfect number.
Cool commonly refers to:
- Cool, a moderately low temperature
- Cool (aesthetic), an aesthetic of attitude, behavior, and style
Cool or COOL may also refer to:
The Mini is a small, two-door, four-seat car produced by the British Motor Corporation (BMC) and its successors British Leyland and the Rover Group, from 1959 until 2000. Minus a brief hiatus, Minis were built for four decades over a single generation, as fastbacks, estates, and convertibles. Initially, the Mini was marketed under the Austin and Morris names, as the Austin Seven and Morris Mini-Minor; the Austin Seven was renamed Austin Mini in 1962 and Mini became a marque in its own right in 1969. Retrospectively, the car is known as the "Classic Mini" to distinguish it from the modern MINI family of vehicles produced since 2000 by BMW, who took ownership of the Mini name following their acquisition of Rover Group.
This distinctive two-door car was designed for BMC by Sir Alec Issigonis. Its space-saving transverse engine and front-wheel drive layout – allowing 80% of the area of the car's floorpan to be used for passengers and luggage – influenced a generation of car makers. The front-wheel-drive, transverse-engine layout were used in many other "supermini" style car designs such as Honda N360 (1967), Nissan Cherry (1970), and Fiat 127 (1971). The layout was also adapted for larger subcompact designs. In 1999, the Mini was voted the second-most influential car of the 20th century, behind the Ford Model T, and ahead of the Citroën DS and Volkswagen Beetle. It is also considered an icon of 1960s British popular culture.
The Mini Mark I had three major UK updates: the Mark II, the Clubman, and the Mark III. Within these was a series of variations, including an estate car, a pick-up, a van, and the Mini Moke, a jeep-like buggy. The performance versions, the Mini Cooper and Cooper "S", were successful as both race and rally cars, winning the Monte Carlo Rally in 1964, 1965, and 1967. The Mini was manufactured in England at the Longbridge plant in Birmingham located next to BMC's headquarters and at the former Morris Motors plant at Cowley, as well as in Australia (Victoria Park/Zetland BMC Australia factory) and later also in Spain (Authi), Belgium, Italy (Innocenti, as the Innocenti Mini), Chile, Malta, Portugal, South Africa, Uruguay, Venezuela, and Yugoslavia (IMV). In 1980, British Leyland launched the Mini's follow-up, the Austin Metro, however the Mini outlasted it and continued to be produced at Longbridge until October 2000.
The ounce () is any of several different units of mass, weight, or volume and is derived almost unchanged from the uncia, an Ancient Roman unit of measurement.
The avoirdupois ounce (exactly 28.349523125 g) is 1⁄16 avoirdupois pound; this is the United States customary and British imperial ounce. It is primarily used in the United States.
Although the avoirdupois ounce is the mass measure used for most purposes, the 'troy ounce' of exactly 31.1034768 g is used instead for the mass of precious metals such as gold, silver, platinum, palladium, rhodium, etc.
The term 'ounce' is also used in other contexts:
- The ounce-force is a measure of force (see below).
- The fluid ounce is a measure of volume.
Historically, a variety of different ounces measuring mass or volume were used in different jurisdictions by different trades and at different times in history.
Toothpaste is a paste or gel dentifrice used with a toothbrush to clean and maintain the aesthetics and health of teeth. Toothpaste is used to promote oral hygiene: it is an abrasive that aids in removing dental plaque and food from the teeth, assists in suppressing halitosis, and delivers active ingredients (most commonly fluoride) to help prevent tooth decay (dental caries) and gum disease (gingivitis). Due to variations in composition and fluoride content, not all toothpastes are equally effective in maintaining oral health. The decline of tooth decay during the 20th century has been attributed to the introduction and regular use of fluoride-containing toothpastes worldwide. Large amounts of swallowed toothpaste can be poisonous. Common colors for toothpaste include white (sometimes with colored stripes or green tint) and blue.
With or WITH may refer to:
- With, a preposition in English
- Carl Johannes With (1877–1923), Danish doctor and arachnologist
- With (character), a character in D. N. Angel
- With (novel), a novel by Donald Harrington
- With (album), a 2014 album by TVXQ
- With (EP), a 2021 EP by Nam Woo-hyun
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