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  2. Calculator spelling - Wikipedia

    en.wikipedia.org/wiki/Calculator_spelling

    Calculator spelling is an unintended characteristic of the seven-segment display traditionally used by calculators, in which, when read upside-down, the digits resemble letters of the Latin alphabet. Each digit may be mapped to one or more letters, creating a limited but functional subset of the alphabet, sometimes referred to as beghilos (or ...

  3. Calculator - Wikipedia

    en.wikipedia.org/wiki/Calculator

    Made in Japan, this was also the first calculator to use an LED display, the first hand-held calculator to use a single integrated circuit (then proclaimed as a "calculator on a chip"), the Mostek MK6010, and the first electronic calculator to run off replaceable batteries. Using four AA-size cells the LE-120A measures 4.9 by 2.8 by 0.9 inches ...

  4. Talk:Calculator spelling - Wikipedia

    en.wikipedia.org/wiki/Talk:Calculator_spelling

    As to the first, I personally think Calculator spelling is a better title, since it allows for more than just single words, and I also think this article has already covered most of the subject so that the only thing really useful from Calculator words is the list (which would probably look better in a table of some sort).

  5. Scientific calculator - Wikipedia

    en.wikipedia.org/wiki/Scientific_calculator

    Casio fx-77, a solar-powered digital calculator from the 1980s using a single-line LCD. A scientific calculator is an electronic calculator, either desktop or handheld, designed to perform calculations using basic (addition, subtraction, multiplication, division) and advanced (trigonometric, hyperbolic, etc.) mathematical operations and functions.

  6. Category:Calculators - Wikipedia

    en.wikipedia.org/wiki/Category:Calculators

    Afrikaans; العربية; Asturianu; Azərbaycanca; تۆرکجه; বাংলা; Беларуская; Беларуская (тарашкевіца) Català

  7. Mathematical joke - Wikipedia

    en.wikipedia.org/wiki/Mathematical_joke

    Calculator spelling is the formation of words and phrases by displaying a number and turning the calculator upside down. [33] The jest may be formulated as a mathematical problem where the result, when read upside down, appears to be an identifiable phrase like " ShELL OIL " or " Esso " using seven-segment display character representations ...

  8. Calculator (disambiguation) - Wikipedia

    en.wikipedia.org/wiki/Calculator_(disambiguation)

    A calculator (in contemporary usage) is an electronic hand-held device that performs mathematical computations. Calculator may also refer to: Calculator (software) , a computer program that performs mathematical computations

  9. Calc - Wikipedia

    en.wikipedia.org/wiki/Calc

    Short for calculator, calculation, or calculus; Windows Calculator, also known by its filename calc.exe; LibreOffice Calc, an open-source spreadsheet application. The Anglo-Saxon rune ᛣ, representing /k/ The Calcarea class of calcareous sponges