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  2. 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

  3. HP-35 - Wikipedia

    en.wikipedia.org/wiki/HP-35

    The HP-35 was 5.8 inches (150 mm) long and 3.2 inches (81 mm) wide, said to have been designed to fit into one of William Hewlett's shirt pockets. Was the first scientific calculator to fly in space in 1973. [5] HP-35 calculators were carried on the Skylab 3 and Skylab 4 flights, between July 1973 and February 1974. [6]

  4. HP-19C/-29C - Wikipedia

    en.wikipedia.org/wiki/HP-19C/-29C

    HP-19C calculator HP-29C with AC-powered battery charger. The HP-19C and HP-29C were scientific/engineering pocket calculators made by Hewlett-Packard between 1977 and 1979. They were the most advanced and last models of the "20" family (compare HP-25) and included Continuous Memory (battery-backed CMOS memory) as a standard feature.

  5. HP-65 - Wikipedia

    en.wikipedia.org/wiki/HP-65

    A program could be saved to mylar-based magnetically coated cards measuring 71 mm × 9.5 mm (2.8 in × 0.4 in), which were fed through the reader by a small electric motor through a worm gear and rubber roller at a speed of 6 cm/s (2.4 in/s). [3]

  6. Little Professor - Wikipedia

    en.wikipedia.org/wiki/Little_Professor

    The Little Professor was first released by Texas Instruments on June 13, 1976. [5] As the first electronic educational toy, [6] [7] the Little Professor is a common item on calculator collectors' lists. [8] In 1976, the Little Professor cost less than $20. More than 1 million units sold in 1977. [9]

  7. Calculation (card game) - Wikipedia

    en.wikipedia.org/wiki/Calculation_(card_game)

    Calculation (also known as Broken Intervals, [1] Hopscotch [2] and Four Kings Solitaire [3]) is a solitaire card game played with a standard pack of 52 cards. [4] It is part of the Sir Tommy family of patience games. It has its origin in France, where it is known as La Plus Belle. [5]

  8. AOL Mail

    mail.aol.com

    Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!

  9. HP-67/97 - Wikipedia

    en.wikipedia.org/wiki/HP-67/97

    The HP-67 is a magnetic card-programmable handheld calculator, introduced by Hewlett-Packard in 1976 at an MSRP of $450. [1] A desktop version with built-in thermal printer was sold as the HP-97 at a price of $750. [2] Collectively, they are known as the HP-67/97. [3]