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  2. Atari Calculator - Wikipedia

    en.wikipedia.org/wiki/Atari_Calculator

    During the interview, Shaw described more details about the Atari Calculator and the Colleen Calculator development. [33] [34] [35] On 4 September 2020, Savetz released on GitHub source files of the Colleen Calculator, recovered and reconstructed from scanned printouts. [27] [36] The header in source files includes info on the initial commit ...

  3. Calculator - Wikipedia

    en.wikipedia.org/wiki/Calculator

    A modern scientific calculator with an LCD. An electronic calculator is typically a portable electronic device used to perform calculations, ranging from basic arithmetic to complex mathematics. The first solid-state electronic calculator was created in the early 1960s. Pocket-sized devices became available in the 1970s, especially after the ...

  4. Calculator input methods - Wikipedia

    en.wikipedia.org/wiki/Calculator_input_methods

    Calculator input methods. There are various ways in which calculators interpret keystrokes. These can be categorized into two main types: On an expression or formula calculator, one types in an expression and then presses a key, such as "=" or "Enter", to evaluate the expression. [4][5][6] There are various systems for typing in an expression ...

  5. Windows Calculator - Wikipedia

    en.wikipedia.org/wiki/Windows_Calculator

    A simple arithmetic calculator was first included with Windows 1.0. [5]In Windows 3.0, a scientific mode was added, which included exponents and roots, logarithms, factorial-based functions, trigonometry (supports radian, degree and gradians angles), base conversions (2, 8, 10, 16), logic operations, statistical functions such as single variable statistics and linear regression.

  6. Calculation - Wikipedia

    en.wikipedia.org/wiki/Calculation

    Calculation. A calculation is a deliberate mathematical process that transforms one or more inputs into one or more outputs or results. The term is used in a variety of senses, from the very definite arithmetical calculation of using an algorithm, to the vague heuristics of calculating a strategy in a competition, or calculating the chance of a ...

  7. Power of two - Wikipedia

    en.wikipedia.org/wiki/Power_of_two

    Power of two. A power of two is a number of the form 2n where n is an integer, that is, the result of exponentiation with number two as the base and integer n as the exponent. Powers of two with non-negative exponents are integers: 20 = 1, 21 = 2, and 2n is two multiplied by itself n times. [1][2] The first ten powers of 2 for non-negative ...

  8. Casio V.P.A.M. calculators - Wikipedia

    en.wikipedia.org/wiki/Casio_V.P.A.M._calculators

    V.P.A.M. is an infix system for entering mathematical expressions, used by Casio in most of its current scientific calculators. In the infix notation the precedence of mathematical operators is taken into account. According to Casio, in V.P.A.M. calculations can be input exactly as they are normally written.

  9. HP calculators - Wikipedia

    en.wikipedia.org/wiki/HP_calculators

    A scientific calculator with more than 240 built-in functions, with 2 lines × 10 digits LCD. The finance-centric programmable calculator from the Voyager series introduced in the 1980s. The longest running product in the HP calculator line, it remains in production. Various models exist, the latest in 2008.

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