Computus — (Latin for computation ) is the calculation of the date of Easter in the Christian calendar. The name has been used for this procedure since the early Middle Ages, as it was one of the most important computations of the age. In principle, the… … Wikipedia
Slide rule — For other uses, see Slide rule (disambiguation). A typical ten inch student slide rule (Pickett N902 T simplex trig). The slide rule, also known colloquially as a slipstick,[1] is a mechanical analog computer. The slide rule is used primarily for … Wikipedia
Airmass — For air mass in meteorology, see air mass .In astronomy, airmass is the optical path length through Earth s atmosphere for light from a celestial source.As it passes through the atmosphere, light isattenuated by scattering and absorption; the… … Wikipedia
Blaise Pascal — Infobox Philosopher region = Western Philosophy era = 17th century philosophy color = #B0C4DE image caption = Blaise Pascal name = Blaise Pascal birth = birth date|1623|6|19|mf=y death = death date and age|1662|8|19|1623|6|19|mf=y school… … Wikipedia
Charles Babbage — in 1860 Born 26 December 1791( … Wikipedia
Quite Universal Circuit Simulator — Infobox Software name = Quite Universal Circuit Simulator http://qucs.sourceforge.net/images/qucslogo4.pngQucs logo] caption = developer = Michael Margraf latest release version = 0.0.14 latest release date = 2008 04 10 latest preview version =… … Wikipedia
computer science — computer scientist. the science that deals with the theory and methods of processing information in digital computers, the design of computer hardware and software, and the applications of computers. [1970 75] * * * Study of computers, their… … Universalium
Patient Protection and Affordable Care Act — Full title The Patient Protection and Affordable Care Act. Acronym PPACA Colloquial name(s) Affordable Care Act, Healthcare Insurance Reform, Obamacare, Healthcare Reform Enacted by the … Wikipedia
Health care reform debate in the United States — See also: Health care reform in the United States, Health care in the United States, and Uninsured in the United States Health care in the United States Public health care Federal Employees Health Benefits Program Indian Health Service… … Wikipedia
Relative risk — In statistics and mathematical epidemiology, relative risk (RR) is the risk of an event (or of developing a disease) relative to exposure. Relative risk is a ratio of the probability of the event occurring in the exposed group versus a non… … Wikipedia
Thermodynamic databases for pure substances — Thermodynamic databases contain information about thermodynamic properties for substances, the most important being enthalpy, entropy, and Gibbs free energy. Numerical values of these thermodynamic properties are collected as tables or are… … Wikipedia