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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.
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 ...
Electronic calculators by company (10 C, 2 P) G. Graphing calculators (1 C, 39 P) P. Programmable calculators (7 C, 27 P) Pages in category "Electronic calculators"
It was the first electronic calculator to use semiconductors, revolutionary for the time. In 1967, Nixdorf developed the Logatronic into the Nixdorf 820 in 1967, which was very successful. In 1968 Nixdorf bought Wanderer and renamed the company Nixdorf Computer AG.
IBM 604 Electronic Calculator at NEMO national science museum in Amsterdam. Note plugboard control panel used to program the 604, at bottom.. The IBM 604 Electronic Calculating Punch was the world's first mass-produced electronic calculator along with its predecessor the IBM 603. [1]
Previous electronic calculators had been about the size of a typewriter and had logic circuits built from numerous discrete transistors and diodes or small- to medium-scale ICs. [1] The QT-8D's logic circuits were packed into just four LSI ICs. [3] The QT-8D was released in Japan at a price of 99,800 Japanese yen, a new low for electronic ...
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In 1971, Roberts redirected the company into the electronic calculator market and the MITS 816 desktop calculator kit was featured on the November 1971 cover of Popular Electronics. [3] The calculators were very successful and sales topped one million dollars in 1973. A brutal calculator price war left the company deeply in debt by 1974.