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  2. 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).

  3. 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.

  4. Protean eGov Technologies - Wikipedia

    en.wikipedia.org/wiki/Protean_eGov_Technologies

    Protean eGov Technologies Limited (previously NSDL e-Governance Infrastructure Limited) is an Indian technology company headquartered in Mumbai. [1] The company focuses on developing digital public infrastructure (DPI) and e-governance initiatives for various governmental bodies in India. [ 2 ]

  5. HP-34C - Wikipedia

    en.wikipedia.org/wiki/HP-34C

    The calculator was superseded, in 1982, by the HP-15C.. Although it is argued the HP-41C (introduced late 1979 and only a matter of months after the HP-34C) was a replacement for the HP-34C, they were in fact differentiated as much by price (the HP-34C being 50% that of the HP-41C) as by functionality and performance (the HP-41C being the first HP LCD-based and module-expandable calculator ...

  6. TI SR-50 - Wikipedia

    en.wikipedia.org/wiki/TI_SR-50

    SR-50 (1974) Printed circuit board. Data code 035: 3rd week 1975. The SR-50 was Texas Instruments' first scientific pocket calculator with trigonometric and logarithm functions. . It enhanced their earlier SR-10 and SR-11 calculators, introduced in 1973, which had featured scientific notation, squares, square root, and reciprocals, but had no trig or log functions, and lacked other featur

  7. Open Network for Digital Commerce - Wikipedia

    en.wikipedia.org/wiki/Open_Network_for_Digital...

    Open Network for Digital Commerce (ONDC) is a public technology initiative launched by the Department for Promotion of Industry and Internal Trade (DPIIT), Government of India to foster decentralized open e-commerce model and is led by a private non-profit Section 8 company.

  8. Otis King - Wikipedia

    en.wikipedia.org/wiki/Otis_King

    The product was named Otis King's Patent Calculator, and was manufactured and sold by Carbic Ltd. in London from about 1922 to about 1972. With a log-scale decade length of 66 inches, the Otis King calculator should be about a full digit more accurate than a 6-inch pocket slide rule.

  9. Category:Casio calculators - Wikipedia

    en.wikipedia.org/wiki/Category:Casio_calculators

    Pages in category "Casio calculators" The following 15 pages are in this category, out of 15 total. This list may not reflect recent changes. 0–9. Casio 9850 series; B.