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Pascaline (also known as the arithmetic machine or Pascal's calculator) 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 ]
The name PARI is a pun about the project's early stages when the authors started to implement a library for "Pascal ARIthmetic" in the Pascal programming language (although they quickly switched to C), and after "pari de Pascal" (Pascal's Wager). [3] The first version of the gp calculator was originally called GPC, for Great Programmable ...
View through the back of Pascal's calculator. Pascal invented his machine in 1642. In 1642, while still a teenager, Blaise Pascal started some pioneering work on calculating machines and after three years of effort and 50 prototypes [18] he invented a mechanical calculator. [19] [20] He built twenty of these machines (called Pascal's calculator ...
MyNotex is a free software for Linux useful to take and manage textual notes. PeaZip is an open-source archiver, made with Lazarus/FPC. TorChat, inactive, was moving away from Python and is being rewritten in Lazarus + Free Pascal. Total Commander 64-bit version. [14] Double Commander is a cross-platform open-source file manager with two panels ...
Dorr Felt invented the first printing desk calculator. 1890 United States Sweden Russia: A multiplying calculator more compact than the Arithmometer entered mass production. [42] [43] The design was the independent, and more or less simultaneous, invention of Frank S. Baldwin, of the United States, and Willgodt Theophil Odhner, a Swede living ...
Made in Japan, this was also the first calculator to use an LED display, the first hand-held calculator to use a single integrated circuit (then proclaimed as a "calculator on a chip"), the Mostek MK6010, and the first electronic calculator to run off replaceable batteries. Using four AA-size cells the LE-120A measures 4.9 by 2.8 by 0.9 inches ...
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An unpublished computational program written in Pascal called Abra inspired this open-source software. Abra was originally designed for physicists to compute problems present in quantum mechanics. Kespers Peeters then decided to write a similar program in C computing language rather than Pascal, which he renamed Cadabra. However, Cadabra has ...