Tagged: scientific calculator

TI-83 Graphing Calculator 0

January 10, 1996: TI-83 Graphing Calculator

1996 – Texas Instruments announced it would release the TI-83 and became one of the most popular calculators. The TI-83 had many graphing modes including polar, parametric, sequence and function graphs. It could also run statistics, trigonometry and algebraic functions. The TI-83 was replaced by the 83 Plus in 1999 which added flashable memory for upgrades. This calculator is still available today and you can get the Texas Instruments TI-83 Plus Graphing Calculator on Amazon. The TI-83 had a Zilog Z80 processor at 6 MHz and 32 kb of RAM. You could use 4 AAA batteries or the power supply to run. Price...

Topsy the Elephant on Forepaugh & Sells Brothers Circus 0

January 4, 1904: Edison Electrocutes an Elephant

1904– To show the effects of how dangerous Nikolai Tesla’s Alternating current was, Thomas Alva Edison filmed the electrocution of the elephant, Topsy. This was falsely advertised as the first Elephant to be born in America by the Forepaugh Circus. Topsy was named after a slave girl in the book “Uncle Tom’s Cabin”. Topsy was sold to Cony Island’s Sea Lion park. Her handler, William Whitey Alt, used Topsy to try and go after police. He also was involved in an incident where he used the elephant as an intimidation factor to the local police. Alt was fired and the...

HP-35 Scientific Calculator 0

January 4, 1972: HP-35 Scientific Calculator

1972 – HP introduces the HP-35 – which was the first handheld scientific calculator. It was named after the fact it had 35 buttons. The unit weighed 9 oz and cost $395. However, this would ultimately be dubbed “The slide-rule killer” Wikazine – Full show notes for January 4 The Dancing Baby Debuts Business Software Alliance offers amnesty to pirates Spam King Stanford Wallace and FTC agreement Podcast: Play in new window | DownloadSubscribe! Apple Podcasts | Android | RSS | More