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HP-80 lockup trick

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HP-80 lockup trick


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David Smith Offline
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Posts: 1,788
Threads: 36
Joined: Aug 2007
#2
02-04-2002, 03:56 PM

While punching around on an HP80 the other day, I found a way to lock it up with a blank display.

Turn it on.
Press DATE.
Press DATE.
Press X-bar.
Nighty night.

Later machines that display 9.99999999E99 after the first DATE will not lock up.

Find

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