Olivetti Programma 101, known as Perottina or P101, is one of the first "all in one" commercial desktop programmable calculators, although not the first.
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Olivetti Programma 101, known as Perottina or P101, is one of the first "all in one" commercial desktop programmable calculators, although not the first.
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Programma 101 was designed by Olivetti engineer Pier Giorgio Perotto in Ivrea.
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One of the direct results of the Programma 101 team focus on human-centered objectives was the invention of a removable magnetic card to store programmed calculation, a revolutionary item for that time, allowing anyone to just insert it and execute any program in a few seconds.
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Programma 101 can calculate the four basic arithmetic functions, plus square root, absolute value, and fractional part.
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Programma 101 was launched at the 1964 New York World's Fair, attracting major interest.
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PProgramma 101 is mentioned as part of the system used by the US Air Force to compute coordinates for ground-directed bombing of B-52 Stratofortress targets during the Vietnam War.
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In 2016, a simulator of the Programma 101 was developed at the Department of Information Engineering and Electrical Engineering of University of Cassino.
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Tecnologicamente Museum in Ivrea has a Java simulator of the Programma 101 written by Giuliano Gaiti, one of Perotto's collaborators.
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Former Olivetti employee Marco Galeotti created a full integrated development environment for the Programma 101, which allows for a simpler programming and some debug functions.
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