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  2. Category:Canon calculators - Wikipedia

    en.wikipedia.org/wiki/Category:Canon_calculators

    Main page; Contents; Current events; Random article; About Wikipedia; Contact us; Pages for logged out editors learn more

  3. Scientific calculator - Wikipedia

    en.wikipedia.org/wiki/Scientific_calculator

    TI's long-running TI-30 series being one of the most widely used scientific calculators in classrooms. Casio, Canon, and Sharp, produced their graphing calculators, with Casio's FX series (beginning with the Casio FX-1 in 1972 [9]). Casio was the first company to produce a Graphing calculator (Casio fx-7000G).

  4. Criticism of Amazon - Wikipedia

    en.wikipedia.org/wiki/Criticism_of_Amazon

    Placards and a papier-mâché Jeff Bezos head at London "Make Amazon Pay" protest in 2021. Amazon has been criticized on many issues, including anti-competitive business practices, its treatment of workers, offering counterfeit or plagiarized products, objectionable content of its books, and its tax and subsidy deals with governments.

  5. HP-45 - Wikipedia

    en.wikipedia.org/wiki/HP-45

    The calculator was code-named Wizard, [4] which is the first known use of a code name for a calculator. It also contained an Easter egg that allowed users to access a not-especially accurate stopwatch mode. [5] [6] An accurate version of the stopwatch mode was officially featured in the 1975 successor of the HP-45, the HP-55.

  6. 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). HP also released a limited production anniversary ...

  7. HP Prime - Wikipedia

    en.wikipedia.org/wiki/HP_Prime

    The HP Prime Graphing Calculator is a graphing calculator introduced by Hewlett-Packard in 2013 and manufactured by HP Inc. until the licensees Moravia Consulting spol. s r.o. and Royal Consumer Information Products, Inc. took over the continued development, manufacturing, distribution, marketing and support in 2022.