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2. Calculator - Wikipedia

   en.wikipedia.org/wiki/Calculator

   An electronic pocket calculator with a seven-segment liquid-crystal display (LCD) that can perform arithmetic operations. 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 .

3. Scientific calculator - Wikipedia

   en.wikipedia.org/wiki/Scientific_calculator

   A scientific calculator is an electronic calculator, either desktop or handheld, designed to perform calculations using basic ( addition, subtraction, multiplication, division) and complex ( trigonometric, hyperbolic, etc.) mathematical operations and functions. They have completely replaced slide rules as well as books of mathematical tables ...

4. Windows Calculator - Wikipedia

   en.wikipedia.org/wiki/Windows_Calculator

   Windows Calculator is a software calculator developed by Microsoft and included in Windows. In its Windows 10 incarnation it has four modes: standard, scientific, programmer, and a graphing mode. The standard mode includes a number pad and buttons for performing arithmetic operations. The scientific mode takes this a step further and adds exponents and trigonometric function, and programmer ...

5. Graphing calculator - Wikipedia

   en.wikipedia.org/wiki/Graphing_calculator

   A graphing calculator (also graphics calculator or graphic display calculator) is a handheld computer that is capable of plotting graphs, solving simultaneous equations, and performing other tasks with variables. Most popular graphing calculators are programmable calculators, allowing the user to create customized programs, typically for ...

6. 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 beghilosz ). [1] [2]

7. Calculator (Apple) - Wikipedia

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

   Calculator is a basic calculator application made by Apple Inc. and bundled with its macOS, iOS, and watchOS operating systems. It has three modes: basic, scientific, and programmer. The basic mode includes a number pad, buttons for adding, subtracting, multiplying, and dividing, as well as memory keys. Scientific mode supports exponents and trigonometric functions. The macOS version of ...

8. Calculator (character) - Wikipedia

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

   Calculator first appeared in Detective Comics #463 (September 1976), and he was created by Bob Rozakis and Mike Grell. [1] As is commonplace in comics, the character was based on a topical event or trend; in this case, Noah Kuttler took his powers and costume design from the recently popular pocket calculator.

9. Pascal's calculator - Wikipedia

   en.wikipedia.org/wiki/Pascal's_calculator

   Pascal's calculator (also known as the arithmetic machine or Pascaline) is a mechanical calculator invented by Blaise Pascal in 1642. Pascal was led to develop a calculator by the laborious arithmetical calculations required by his father's work as the supervisor of taxes in Rouen. [2] He designed the machine to add and subtract two numbers directly and to perform multiplication and division ...