Fred Hart's video: Texas Instruments TI-2500-II Calculator - Retro Tech

Retro tech from the 70s. ▼☟▼☟ ▼☟▼☟▼ LOOΚ Down There for More Information & Links ▼☟▼☟ ▼☟▼☟▼ Texas Instruments TI-2500-II (Datamath II) I found this at a garage sale in Ohio 2 years ago. Early Calculator (Electronic Slide Rule) Date Manufactured: 1974-1975 Price: $50 8 Digit LED Display Power Supply: 2 AA Batteries (Nickel-Cadmium) 4-6 hours run time 5 Function: Add, Subtract, Multiple, Divide and Percentage Other keys: Clear and a Clear Entry Todays Worth: $25 Gear Obsession Links and Information ►Gear Obsession Deals: http://gearobsessiondeals.com ►Facebook: http://www.facebook.com/gearobsession ►Google+: https://plus.google.com/u/0/GearObsession ►Instagram: http://instagram.com/gobsession ►Twitter: https://twitter.com/GearObsession ►VLOG: http://www.youtube.com/TheGearobsession My YouTube Address Fred Hart P.O. Box 2156 Lusby, MD 20657 Disclaimer: All products mentioned in this video were purchased by me, unless otherwise stated. The views and opinions expressed in this video are solely mine and I do my best to always be honest and straightforward. Please see my Disclosure Link at http://gearobsessiondeals.com/ for more information. Videos or replies may contain affiliate links. Gear Obsession is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to amazon.com.