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  2. HP-27 - Wikipedia

    en.wikipedia.org/wiki/HP-27

    A HP 27. The HP-27 was a hand-held scientific and financial, but not programmable, calculator made by Hewlett-Packard between 1976 and 1978. Unlike all previous HP's pocket calculators, the HP-27 could do mathematic, statistic and business operations. It used Reverse Polish Notation (RPN) for calculations, working on a four-level stack (x,y,z,t ...

  3. HP-27S - Wikipedia

    en.wikipedia.org/wiki/HP-27S

    The HP-27S was a pocket calculator produced by Hewlett-Packard, introduced in 1988, and discontinued between 1990 and 1993 (sources vary). It was the first HP scientific calculator to use algebraic entry instead of RPN , and though it was labelled scientific , it also included features associated with specialized business calculators.

  4. 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 .

  5. HP 35s - Wikipedia

    en.wikipedia.org/wiki/HP_35s

    The HP 35s (F2215A) is a Hewlett-Packard non-graphing programmable scientific calculator. Although it is a successor to the HP 33s, it was introduced to commemorate the 35th anniversary of the HP-35, Hewlett-Packard's first pocket calculator (and the world's first pocket scientific calculator).

  6. Hewlett-Packard - Wikipedia

    en.wikipedia.org/wiki/Hewlett-Packard

    HP developed the hardware, firmware, and software to convert data into dots for printing. [27] On March 3, 1986, HP registered the HP.com domain name, making it the ninth Internet.com domain to be registered. [28] In 1987, the Palo Alto garage where Hewlett and Packard started their business was designated as a California Historical Landmark.

  7. HP-32S - Wikipedia

    en.wikipedia.org/wiki/HP-32S

    The HP-32S (codenamed "Leonardo") was a programmable RPN scientific calculator introduced by Hewlett-Packard in 1988. [1] It was succeeded by the HP-32SII scientific calculator. [ 2 ]

  8. HP Pavilion - Wikipedia

    en.wikipedia.org/wiki/HP_Pavilion

    HP Essential, HP Envy, HP Spectre, HP TouchSmart HP Pavilion is a line of consumer-oriented personal computers originally produced by Hewlett-Packard and later by its successor, HP Inc. Introduced in 1995, HP has used the name for both desktops and laptops for home and home office use.

  9. HP OpenView - Wikipedia

    en.wikipedia.org/wiki/HP_OpenView

    HP OpenView is the former name for a Hewlett-Packard product family that consisted of network and systems management products. In 2007, HP OpenView was rebranded as HP BTO (Business Technology Optimization) Software when it became part of the HP Software Division.