The Beatles hit No. 1 for the first time in America, tragedy strikes space shuttle Columbia, and Janet Jackson suffers a Super Bowl "wardrobe malfunction," all on this day.
1972: The first scientific hand-held calculator is introduced for $395 by Hewlett-Packard, named the HP-35 for having 35 keys. It was the first hand-held calculator able to perform logarithmic and trigonometric functions with one keystroke. The price was reduced several times, eventually to $195. By February 1975, when production of the model was discontinued, 300,000 of the calculators had been sold.
Suhaimi Abdullah/Getty Images
The San Francisco Railway Museum
Volkan Yuksel/Wikimedia Commons
Vilnius Tourist Board
It's easy to upload your photos and/or videos on News8000.com. Once you do, we'll share your upload with the community!
No email address was supplied by
To complete your registration on this site, please supply an address.
Please confirm or modify the email address to which you will have subscription offers sent.
For a more personalized experience, please supply the following optional information.