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The TI-59 is an early programmable calculator, that was manufactured by Texas Instruments from 1977. It is the successor to the TI SR-52, quadrupling the number of "program steps" of storage, and adding "ROM Program Modules" (an insertable ROM chip, capable of holding 5000 program steps). Just like the SR-52, it has a magnetic card reader for ...
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
Texas Instruments invented the hand-held calculator (a prototype called "Cal Tech") in 1967 and the single-chip microcomputer in 1971, was assigned the first patent on a single-chip microprocessor (invented by Gary Boone) on September 4, 1973. [33]
The first handheld calculator was a 1967 prototype called Cal Tech, whose development was led by Jack Kilby at Texas Instruments in a research project to produce a portable calculator. It could add, multiply, subtract, and divide, and its output device was a paper tape.
The Texas Instruments TI-30 calculator retailed for $24.95 in 1976 at O’Neil's department store in Akron. ... my mother bought me a handheld calculator for Christmas, a truly bizarre gift for a ...
Merryman began his career at Texas Instruments in 1963. [1] [2] With Jack Kilby and James Van Tassel, he invented the hand-held calculator in 1965. [1] Two years later, "The first patent for the calculator was filed." [3] Merryman retired as an engineer for Texas Instruments in 1994 but continued to work for them as a consultant. [3]
The TI-83 series is a series of graphing calculators manufactured by Texas Instruments. The original TI-83 is itself an upgraded version of the TI-82. [1] Released in 1996, it was one of the most popular graphing calculators for students.
Like some of HP's desktop calculators it used RPN. Introduced at US$395, the HP-35 was available from 1972 to 1975. Texas Instruments (TI), after the production of several units with scientific notation, introduced a handheld scientific calculator on January 15, 1974, in the form of the SR-50. [8]