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  2. HP-15C - Wikipedia

    en.wikipedia.org/wiki/HP-15C

    HP-15C [ edit] The HP-15C is a high-end scientific pocket calculator with a root-solver and numerical integration. A member of Hewlett-Packard Voyager series of programmable calculators, it was produced between 1982 and 1989. The calculator is able to handle complex numbers and matrix operations. Although out of production, its popularity has led to high prices on the used market. The HP-15C ...

  3. Euro sign - Wikipedia

    en.wikipedia.org/wiki/Euro_sign

    Use on computers and mobile phones[edit] Displaying and printing the euro sign using a computer depends on the operating system and national conventions. Initially, some mobile phone companies issued an interim software update for their special SMS character set, replacing the less-frequent Japanese yen sign with the euro sign.

  4. History of personal computers - Wikipedia

    en.wikipedia.org/wiki/History_of_personal_computers

    The history of the personal computer as a mass-market consumer electronic device began with the microcomputer revolution of the 1970s. A personal computer is one intended for interactive individual use, as opposed to a mainframe computer where the end user's requests are filtered through operating staff, or a time-sharing system in which one ...

  5. Printer tracking dots - Wikipedia

    en.wikipedia.org/wiki/Printer_tracking_dots

    Printer tracking dots. Printer tracking dots, also known as printer steganography, DocuColor tracking dots, yellow dots, secret dots, or a machine identification code ( MIC ), is a digital watermark which many color laser printers and copiers produce on every printed page that identifies the specific device that was used to print the document.

  6. ISO 3166-1 - Wikipedia

    en.wikipedia.org/wiki/ISO_3166-1

    ISO 3166-1 alpha-2 – two-letter country codes which are the most widely used of the three, [citation needed] and used most prominently for the Internet's country code top-level domains (with a few exceptions). ISO 3166-1 alpha-3 – three-letter country codes which allow a better visual association between the codes and the country names than the alpha-2 codes. ISO 3166-1 numeric – three ...

  7. HP Inc. - Wikipedia

    en.wikipedia.org/wiki/HP_Inc.

    HP Inc. is an American multinational information technology company headquartered in Palo Alto, California, that develops personal computers (PCs), printers and related supplies, as well as 3D printing services.

  8. HP 200LX - Wikipedia

    en.wikipedia.org/wiki/HP_200LX

    The Silicom, Accton 2212/2216, Netgear FA411, and Sohoware ND5120 network cards were compatible. Being IBM PC/XTcompatible and running MS-DOS 5.0from ROM, the HP 200LX can run virtually any program that would run on a full-size PC compatible computer as long as the code is written for the Intel 8086, 8088or 80186CPU and can run using CGA graphics.

  9. VoodooPC - Wikipedia

    en.wikipedia.org/wiki/VoodooPC

    Voodoo Computers Inc. or VoodooPC was a luxury personal computer brand and company. Voodoo was originally started as a niche PC maker in Calgary, Alberta, Canada. It was founded in 1991, and acquired by Hewlett-Packard in 2006. [1] Voodoo specialized in desktop high performance computing. By 2013 the Voodoo name was no longer used, and was ...