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HP 35 – 40 years old today

by on 01-31-2012 09:37 AM - last edited on 01-31-2012 09:37 AM

hp35.pngThe HP-35 was HP’s first pocket calculator and the first scientific calculator. Its award winning approach brought a range of innovations (first product to have both ICs and LEDs), put many a slide rule on the shelf.

 

There is some interesting history about the calculator on-line (including the problems based on the lack of precision in the mainframe computers that effected the testing of the calculator).

 

You can still buy a version today.

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by on 01-31-2012 01:52 PM
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Opps, I jumped the gun by one day. I guess that's what happens when you queue up posts.

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