Ti 55 Calculator. TI Texas Instruments TI55 Calculator, with box & accessories Tested eBay An April 1978 newspaper advertisement described the TI-55 as a "new" calculator "with all the functions and features of the popular SR-51 II, plus a 32-step program memory." It gave a list price of $59.95 and a sale price of $49.95. The built-in factorial function makes even complex factorial equations no match for this calculator's proven technology
Vintage Texas Instruments Calculator TI55 from pinterest.com
It has an LED display, [1] and weighs 6.4 ounces (180 grams) Used it and the upgrade to the LCD version TI-55 II with much longer battery life throughout high school
Vintage Texas Instruments Calculator TI55
Used it and the upgrade to the LCD version TI-55 II with much longer battery life throughout high school Weighing only 6.4 ounces, the portable TI-55 calculator is lightweight enough to carry back and forth to school, home, or the office.The TI-55 is a programmable calculator developed by Texas Instruments in the USA. The TI-55 was released in 1977, back when it was still cool to use LEDs
Eddie's Math and Calculator Blog Retro Review Texas Instruments TI55 III. The TI-55 is a programmable calculator first manufactured by Texas Instruments in 1977 The built-in factorial function makes even complex factorial equations no match for this calculator's proven technology
Vintage Texas Instruments Calculator TI55. Used it and the upgrade to the LCD version TI-55 II with much longer battery life throughout high school It has an LED display, [1] and weighs 6.4 ounces (180 grams)