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  2. List of Soviet calculators - Wikipedia

    en.wikipedia.org/wiki/List_of_Soviet_calculators

    This is a list of calculators created and produced in Soviet Union. ... Iskra 12; Iskra 121; Iskra 122/122-1; Iskra 123; Iskra 124; Iskra 125; Iskra 12M; Iskra 13 ...

  3. Colindă - Wikipedia

    en.wikipedia.org/wiki/Colindă

    Colinde have had a role in preserving and defending the Orthodox faith when heterodox proselytizing tried to break the unity of the Orthodox faith, and to dismantle, at the same time, national unity. [ citation needed ] The Mother of God, who occupies a central place in piety and Orthodox worship, is present everywhere in Romanian colinde ...

  4. Atari Calculator - Wikipedia

    en.wikipedia.org/wiki/Atari_Calculator

    In June 1982, the "Calculator: Instruction Manual" book was printed by the APX, noted with "User-Written Software for Atari Computers" on the cover, and the program got product ID number APX-20130. [12] In the same year, product CX-8102 was listed in the "Atari Home Computer Product Catalog". On the screenshot, printed in color in the catalog ...

  5. Little Professor - Wikipedia

    en.wikipedia.org/wiki/Little_Professor

    The user has three chances to enter the correct number. If the answer is incorrect, the display shows "EEE". After the third wrong answer, the correct answer is shown. If the answer supplied is correct, the Little Professor goes to the next equation. [2] The Little Professor shows the number of correct first answers after each set of 10 ...

  6. Calculator - Wikipedia

    en.wikipedia.org/wiki/Calculator

    The first American-made pocket-sized calculator, the Bowmar 901B (popularly termed The Bowmar Brain), measuring 5.2 by 3.0 by 1.5 inches (132 mm × 76 mm × 38 mm), came out in the Autumn of 1971, with four functions and an eight-digit red LED display, for US$240, while in August 1972 the four-function Sinclair Executive became the first ...

  7. Sumlock ANITA calculator - Wikipedia

    en.wikipedia.org/wiki/Sumlock_ANITA_calculator

    ANITA Mk VIII. The ANITA Mark VII and ANITA Mark VIII calculators were launched simultaneously in late 1961 as the world's first all-electronic desktop calculators. [1] [2] Designed and built by the Bell Punch Co. in Britain, and marketed through its Sumlock Comptometer division, they used vacuum tubes and cold-cathode switching tubes in their logic circuits and nixie tubes for their numerical ...

  8. HP-12C - Wikipedia

    en.wikipedia.org/wiki/HP-12C

    The Aurora FN1000 calculator in clamshell design was closely inspired by the HP-12C in 2003. Capitalizing on the limited availability of the HP 12c Platinum 25th Anniversary Edition, Victor Technology released the Victor V12 in 2007 which was a budget priced clone of the HP 12c Platinum edition. It is also available as BrtC FC-12 in Brazil.

  9. Calculator spelling - Wikipedia

    en.wikipedia.org/wiki/Calculator_spelling

    Calculator spelling is an unintended characteristic of the seven-segment display traditionally used by calculators, in which, when read upside-down, the digits resemble letters of the Latin alphabet. Each digit may be mapped to one or more letters, creating a limited but functional subset of the alphabet, sometimes referred to as beghilos (or ...