# accurate

101

**Cardiac output**— (Q or or CO ) is the volume of blood being pumped by the heart, in particular by a left or right ventricle in the time interval of one minute. CO may be measured in many ways, for example dm3/min (1 dm3 equals 1000 cm3 or 1 litre). Q is… …102

**Rule of 72**— In finance, the rule of 72, the rule of 70 and the rule of 69 are methods for estimating an investment s doubling time. The number in the title is divided by the interest percentage per period to get the approximate number of periods needed for… …103

**Numerical control**— CNC redirects here. For other uses, see CNC (disambiguation). A CNC Turning Center …104

**Age of the universe**— The age of the universe is the time elapsed between the theory of the Big Bang and the present day. Current observations suggest that this is about 13.73 billion years, with an uncertainty of about +/ 120 million years. The lowering of the… …105

**Japanese maps**— The earliest known term used for maps in Japan is believed to be kata (形, roughly form ), which was probably in use until roughly the 8th century. During the Nara period, the term u (図) came into use, but the term most widely used and associated… …106

**Numerical approximations of π**— This page is about the history of numerical approximations of the mathematical constant pi;. There is a summarizing table at chronology of computation of pi;. See also history of pi; for other aspects of the evolution of our knowledge about… …107

**History of cartography**— The Fra Mauro map, one of the greatest memorial of medieval cartography, was made around 1450 by the Venetian monk Fra Mauro. It is a circular world map drawn on parchment and set in a wooden frame, about two meters in diameter Cartography (from… …108

**Marine chronometer**— Breguet twin barrel box chronometer. Classification Clock Industry Transportation …109

**Overweight**— This article is about the medical term. For the stock market term, see overweight (stock market). Overweight Classification and external resources …110

**Either/Orchestra**— Pays d’origine Cambridge,  États Unis Genre musical Jazz, éthio jazz, Latin jazz …