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  2. Video Genie - Wikipedia

    en.wikipedia.org/wiki/Video_Genie

    Video Genie (or simply Genie) is a discontinued series of computers produced by Hong Kong–based manufacturer EACA during the early 1980s. Computers from the Video Genie line are mostly compatible with the Tandy TRS-80 Model I computers and can be considered a clone , although there are hardware and software differences.

  3. HP calculators - Wikipedia

    en.wikipedia.org/wiki/HP_calculators

    HP's first scientific calculator, HP-35 With this in mind, HP built the HP 9100 desktop scientific calculator. This was a full-featured calculator that included not only standard "adding machine" functions but also powerful capabilities to handle floating-point numbers, trigonometric functions , logarithms, exponentiation, and square roots .

  4. Category:HP Voyager series calculators - Wikipedia

    en.wikipedia.org/wiki/Category:HP_Voyager_series...

    Pages in category "HP Voyager series calculators" The following 13 pages are in this category, out of 13 total. This list may not reflect recent changes. 0–9.

  5. Comparison of HP graphing calculators - Wikipedia

    en.wikipedia.org/wiki/Comparison_of_HP_graphing...

    A graphing calculator is a class of hand-held calculator that is capable of plotting graphs and solving complex functions. While there are several companies that manufacture models of graphing calculators, Hewlett-Packard is a major manufacturer. The following table compares general and technical information for Hewlett-Packard graphing ...

  6. HP 48 series - Wikipedia

    en.wikipedia.org/wiki/HP_48_series

    The HP 48 is a series of graphing calculators designed and produced by Hewlett-Packard from 1990 until 2003. [1] The series includes the HP 48S , HP 48SX , HP 48G , HP 48GX , and HP 48G+ , the G models being expanded and improved versions of the S models.

  7. HP 20b - Wikipedia

    en.wikipedia.org/wiki/HP_20b

    The HP 20b Business Consultant (F2219A, codenamed "Little Euro" [6]) is a financial calculator published in 2008 by Hewlett-Packard. Its function is similar to HP 10bII and includes scientific and statistical functions.

  8. Curta - Wikipedia

    en.wikipedia.org/wiki/Curta

    A partially disassembled Curta calculator, showing the digit slides and the stepped drum behind them Curta Type I calculator, top view Curta Type I calculator, bottom view. The Curta is a hand-held mechanical calculator designed by Curt Herzstark. [1] It is known for its extremely compact design: a small cylinder that fits in the palm of the hand.

  9. HP BASIC - Wikipedia

    en.wikipedia.org/wiki/HP_BASIC

    BASIC (HP Series 80), created at HP in the 1980s; for the HP Series 80 desktop computers; BASIC (HP calculators), created at HP in the 1980s; for HP calculators; Prime Programming Language (PPL), created at HP in the 1990s; for the HP 38, 39, 40, and Prime algebraic/graphing calculators; once called "HP Basic"