manual calculator
71Hoc (programming language) — hoc, an acronym for High Order Calculator, is an interpreted programming language that was used in the 1984 book The Unix Programming Environment to demonstrate how to build interpreters using Yacc.Hoc was developed by Brian Kernighan and Rob… …
72Dc (Unix) — dc (ein Akronym für desk calculator) ist ein Rechenprogramm für Unix respektive Unix Derivate. Es nutzt das Prinzip der umgekehrten polnischen Notation und ist eines der ältesten Unix Tools sogar älter als die Programmiersprache C. In der Praxis… …
73Historia del hardware — La máquina analítica de Charles Babbage, en el Science Museum de Londres. El hardware ha sido un componente importante del proceso de cálculo y almacenamiento de datos desde que se volvió útil para que los valores numéricos fueran procesados y… …
74Stamp duty in the United Kingdom — Taxation in the United Kingdom This article is part of the series: Politics and government of the United Kingdom Central government HM Treasury HM Revenue and Customs Income tax …
75Longitude — For Dava Sobel s book about John Harrison, see Longitude (book). For the adaptation of Sobel s book, see Longitude (TV series). Map of Earth Longitude (λ) Lines of longitude appear vertical with varying curvature in this projection, but are… …
76Aspect ratio (image) — For other uses, see Aspect ratio (disambiguation). For computer screen topics, see display aspect ratio. For screen rotation and portrait mode, see page orientation. 4:3 redirects here. For the 4/3 digital camera/lens standard, see Four Thirds… …
77QR decomposition — In linear algebra, the QR decomposition (also called the QR factorization) of a matrix is a decomposition of the matrix into an orthogonal and a right triangular matrix. The QR decomposition is often used to solve the linear least squares problem …
78Dc (Unix) — dc is a reverse polish desk calculator which supports unlimited precision arithmetics. It is one of the oldest Unix utilities, predating even the invention of the C programming language; like other utilities of that vintage, it has a powerful set …
79PT-76 — Infobox Weapon|is vehicle=yes name=PT 76 caption=PT 76 on display near the Museum of the Great Patriotic War, Kiev. type=Amphibious Light Tank origin=flagcountry|Soviet Union service=16 August 1952 present used by=See Operators wars=See Combat… …
80Balloon help — System 7 Balloon Help in Eudora Balloon help was a help system introduced by Apple Computer in their 1991 release of System 7.0. The name referred to the way the help text was displayed, in balloons , like those containing the words in a comic… …
