manual calculator
91Monopoly (game) — Monopoly The Monopoly Logo Designer(s) Elizabeth Magie Louis Fred Thun[1] Charles Darrow Publisher(s) …
92Personal digital assistant — PDA redirects here. For other uses, see PDA (disambiguation). The Palm TX …
93Atmospheric pressure — Air pressure redirects here. For the pressure of air in other systems, see pressure. Atmospheric pressure is the force per unit area exerted against a surface by the weight of air above that surface in the Earth s atmosphere. In most… …
94Perpetual motion — For other uses, see Perpetual motion (disambiguation). Robert Fludd s 1618 water screw perpetual motion machine from a 1660 wood engraving. This device is widely credited as the first recorded attempt to describe such a device in order to produce …
95BESK — ( Binär Elektronisk SekvensKalkylator , Swedish for Binary Electronic Sequence Calculator ) was Sweden s first electronic computer, using vacuum tubes instead of relays. It was developed by Matematikmaskinnämnden and during a short time it was… …
96Engineering drawing — Technical drawings An engineering drawing, a type of technical drawing, is used to fully and clearly define requirements for engineered items. Engineering drawing (the activity) produces engineering drawings (the documents). More than just the… …
97National Insurance — 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 …
98External ballistics — is the part of the science of ballistics that deals with the behaviour of a non powered projectile in flight. External ballistics is frequently associated with firearms, and deals with the behaviour of the bullet after it exits the barrel and… …
99HP-20S — The HP 20S is an algebraic programmable, member of Pioneer series of HP calculators produced from 1988 to 2003. It is similar to HP 21S. It has ninety nine steps of fully merged program and ten memory registers.LibrariesThere are six libraries in …
100HP-25 — The HP 25 was a hand held programmable scientific/engineering calculator made by Hewlett Packard between 1975 and 1978. The HP 25 was introduced as a cheaper (US$195ref|price MSRP) alternative to the ground breaking HP 65. To reduce cost, the HP… …
