HP 9100B upgrade and case mod

[Chuck Guzis]

On 03/29/2015 12:22 PM, Dave wrote:
> I thought my latest little retrocomputing project might beof
> interest. A few weeks ago, our accounting department trashed some
> oldequipment that had been in a closet sine the 70’s.  Because it was
> all fully depreciated long ago, the stuff wasup for grabs.  Most of
> it was junk,but they did have 5 HP 9100B calculators that seemed to
> be in pretty goodphysical shape.  These are from the1960’s, and are
> pretty huge for a calculator, by today’s standards.  I tried them
> all, and they all seemedto have some pretty weird behavior. When you
> hit the “+” key, it doesn’t wait for another number, butinstead adds
> the last row directly to the second row.  I suppose that’s why these
> have been out of commission allthese years. View image: Strange
> calculator behavior

We got it--it's a joke.  Save it for tomorrow.

--Chuck