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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.
2140 - The 2140 is a grey/gray 8 oz. desktop calculator with a LCD display that uses L1131 batteries. It also includes a Mark Up key, a PC touch key, selectable decimal and rounding switches and a backspace key. It has 4 key independent memory. [15] 6400 - The 6400 is a grey/gray and white 6.4 oz desktop calculator with a tilted LCD display. It ...
Also commonly available from many companies are small printers made specifically for calculators which tend to use cash register tape paper, ports and cables for connecting the calculators to a computer and/or another calculator, cassette recorders for recording programs and data, overhead projector displays, and connectors for auxiliary ...
HP 9815A. Chronologically, the models of the family were: HP 9810A, a keystroke programmable computer with magnetic cards and LED display, introduced in 1971, [1]; HP 9820A, introduced in 1972, was the first HP model that deals with algebraic input (not only RPN) [2] featured a high level language simpler than BASIC that was later named high performance language (HPL),
The Olivetti Programma 101, also known as Perottina or P101, is one of the first "all in one" commercial desktop programmable calculators, [1] [2] although not the first. [3] Produced by Italian manufacturer Olivetti , based in Ivrea , Piedmont , and invented by the Italian engineer Pier Giorgio Perotto , the P101 used many features of large ...
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The first handheld calculator was a 1967 prototype called Cal Tech, whose development was led by Jack Kilby at Texas Instruments in a research project to produce a portable calculator. It could add, multiply, subtract, and divide, and its output device was a paper tape.
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