WebTandy Corporation released several computer product lines starting in 1977, under both TRS-80 and Tandy branding.. TRS-80 was a brand associated with several desktop microcomputer lines sold by Tandy Corporation … WebEarly handheld electronic calculators could be ordered from manufacturers or dealers. They also sold as relatively expensive goods in department stores. In the course of the 1970s, better chips made it possible to reduce the number of components required in calculators. ... Radio Shack introduced this handheld electronic calculator in its 1978 ...
Radio Shack EC-4000 Programmable Handheld …
http://www.rskey.org/CMS/minor-brands WebWe had quite some interest in Radio Shack calculators after the short article in last issue. ... EC-256 (4-funct, mem, sq rt, % sgn chg, early LCD) $29.95 ; EC-281 (sci-funct) … taxi medi monheim
Calculators – RadioShack
WebJan 3, 2014 · Sinclair Cambridge Programmable (1975) Sinclair’s calculator range expanded tremendously in the early 1970s, with many … WebFinally, TI calculators often have a data code stamped on the back. It appears to consist of a two-digit week and two-digit year, such as "4376", for the 43rd week of 1976. TI chargers, too, have date codes, expressed as month and year, such as "7 72". For a fascinating article on the invention of the "pocket calculator" see "Texas Instruments ... WebA3. Model EC-21 on sale for $21.95. Advertised as “Las Vegas Style Blackjack Game Calculator Fun.”. Radio Shack, Blackjack 21 Owner’s Manual ,” Fort Worth, Texas: Tandy Corporation. An online version of this is at wass.net. taxi mannheim telefonnummer