digital calculator - определение. Что такое digital calculator
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Что (кто) такое digital calculator - определение

ELECTRONIC DEVICE USED FOR CALCULATIONS
Pocket calculator; Calculators; Pocket calculators; Automatic calculator; Caculator; Desk calculator; Calculater; Electronic Calculator; Math calculator; Math calculators; Printing Calculator; Handheld calculator; Bowmar Brain; Desktop calculator; Electronic calculator; Digital calculator; Minus button; Minus key; Plus button; Plus key; Equals button; Division button; Equals key; Division key; Multiplication key; Multiplication button; Electronic calculating machine; Desk calculators; Claculator; Fraction to Decimals; 🖩; Cal Tech (calculator); TI Cal Tech; Texas Instruments Cal Tech; Electronic calculators; History of the calculator
  • 17th century mechanical calculators
  • Braun]] (1987)
  • Scientific calculator displays of fractions and decimal equivalents
  • seven-segment]] [[liquid-crystal display]] (LCD) that can perform arithmetic operations
  • A modern scientific calculator with a [[LCD]]
  • Modern pocket calculator with solar and battery powering
  • The [[Elektronika MK-52]] was a programmable RPN-style calculator that accepted extension modules; it was manufactured in the [[Soviet Union]] from 1985 to 1992
  • The Bulgarian [[ELKA 22]] from 1967
  • The Grant mechanical calculating machine, 1877
  • The [[HP-65]], the first programmable pocket calculator (1974)
  • The interior of a Casio FX-991s calculator
  • Early calculator [[light-emitting diode]] (LED) display from the 1970s ([[USSR]])
  • The Italian [[Programma 101]], an early commercial programmable calculator produced by [[Olivetti]] in 1964
  • A calculator with a graphical user interface
  • A Catiga CS-103 Scientific Calculator
  • A calculator which runs on solar and battery power
  • An office calculating machine with a paper printer

pocket calculator         
<computer> A small battery-powered digital electronic device for performing simple arithmetic operations on data input on a keypad and outputting the result (usually a single number) to a simple LCD or other display. The most sophisticated programmable calculators are really pocket computers which are limited to handling numerical data only. (1996-12-23)
calculator         
n.
1) to use, operate a calculator
2) a pocket calculator
calculator         

Википедия

Calculator

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 Intel 4004, the first microprocessor, was developed by Intel for the Japanese calculator company Busicom.

Modern electronic calculators vary from cheap, give-away, credit-card-sized models to sturdy desktop models with built-in printers. They became popular in the mid-1970s as the incorporation of integrated circuits reduced their size and cost. By the end of that decade, prices had dropped to the point where a basic calculator was affordable to most and they became common in schools.

Computer operating systems as far back as early Unix have included interactive calculator programs such as dc and hoc, and interactive BASIC could be used to do calculations on most 1970s and 1980s home computers. Calculator functions are included in most smartphones, tablets and personal digital assistant (PDA) type devices.

In addition to general purpose calculators, there are those designed for specific markets. For example, there are scientific calculators which include trigonometric and statistical calculations. Some calculators even have the ability to do computer algebra. Graphing calculators can be used to graph functions defined on the real line, or higher-dimensional Euclidean space. As of 2016, basic calculators cost little, but scientific and graphing models tend to cost more.

With the very wide availability of smartphones and the like, dedicated hardware calculators, while still widely used, are less common than they once were. In 1986, calculators still represented an estimated 41% of the world's general-purpose hardware capacity to compute information. By 2007, this had diminished to less than 0.05%.