October 4, 1979: HP 41c Programmable Calculator

HP41c Programmable Calculator

Hewlett Packard came out with their first Programmable calculator in 1979. The HP-41c was the first to give alphanumeric display capabilities. It would actually tell you what to do (ex. “ENTER RADIUS”) instead of leaving your wondering. It also had four ports that could be used to expand memory, install a Thermal printer, magnetic reader or bar code scanner.

2011 – Apple Announces the iPhone 4s, with retina display and Siri functionality. The 4s contains the A5 chipset and would be on sale October 10th. Apple also announced iOS5 update, which would be available on October 12th.

This Day in Tech History podcast show notes for October 4

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Jeffrey Powers @geekazine

I love tech history. I enjoy how we evolved from computers that fill a room to computers we wear on our bodies. I have put a full archive of tech history together at Wikazine. You can also talk history at Google +. I am also a podcaster and V-caster at Geekazine and a Podcast Coach at How to Record Podcasts. You can also sign up for a Helpout

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