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  2. Calculator - Wikipedia

    en.wikipedia.org/wiki/Calculator

    By 1970, a calculator could be made using just a few chips of low power consumption, allowing portable models powered from rechargeable batteries. The first handheld calculator was a 1967 prototype called Cal Tech, whose development was led by Jack Kilby at Texas Instruments in a research project to produce a portable calculator. It could add ...

  3. Pound sign - Wikipedia

    en.wikipedia.org/wiki/Pound_sign

    The pound sign (£) is the symbol for the pound unit of sterling – the currency of the United Kingdom and its associated Crown Dependencies and British Overseas Territories and previously of Great Britain and of the Kingdom of England. The same symbol is used for other currencies called pound, such as the Egyptian and Syrian pounds.

  4. Pound sterling - Wikipedia

    en.wikipedia.org/wiki/Pound_sterling

    Sterling (ISO code: GBP) is the currency of the United Kingdom and nine of its associated territories. [3] The pound is the main unit of sterling, [4] [c] and the word pound is also used to refer to the British currency generally, [7] often qualified in international contexts as the British pound or the pound sterling. [4]

  5. Pound (currency) - Wikipedia

    en.wikipedia.org/wiki/Pound_(currency)

    The English word "pound" derives from the Latin expression lībra pondō, in which lībra is a noun meaning 'pound' and pondō is an adverb meaning 'by weight'. [ 1 ] [ 2 ] The currency's symbol is ' £ ' , a stylised form of the blackletter 'L' ( L {\displaystyle {\mathfrak {L}}} ) (from libra ), crossed to indicate abbreviation.

  6. Exchange rate - Wikipedia

    en.wikipedia.org/wiki/Exchange_rate

    The spot exchange rate is the current exchange rate, while the forward exchange rate is an exchange rate that is quoted and traded today but for delivery and payment on a specific future date. In the retail currency exchange market, different buying and selling rates will be quoted by money dealers.

  7. Sign extension - Wikipedia

    en.wikipedia.org/wiki/Sign_extension

    In a move or convert operation, zero extension refers to setting the high bits of the destination to zero, rather than setting them to a copy of the most significant bit of the source. If the source of the operation is an unsigned number, then zero extension is usually the correct way to move it to a larger field while preserving its numeric ...

  8. Decimal Day - Wikipedia

    en.wikipedia.org/wiki/Decimal_Day

    The Irish pound was created as a separate currency in 1927 with distinct coins and notes, but the terms of the Currency Act 1927 obliged the Irish currency commissioners to redeem Irish pounds on a fixed 1:1 basis, and so day-to-day banking operations continued exactly as they had been before the creation of the Irish pound. [27]

  9. Googol - Wikipedia

    en.wikipedia.org/wiki/Googol

    In 2004, family members of Kasner, who had inherited the right to his book, were considering suing Google for their use of the term "googol"; [11] however, no suit was ever filed. [ 12 ] Since October 2009, Google has been assigning domain names to its servers under the domain "1e100.net", the scientific notation for 1 googol, in order to ...