HP HP67

15 discussions on ElectronDepot about the HP HP67: what owners asked, what went wrong, and what fixed it.

What owners report

interviews

We're interviewing design engineers and interns, all EE graduates or soon to be. So far, nobody knows the basics of what an opamp or a transistor does. One guy, prompted, got an opamp output polarity right; we might hire him. This is good...

Guess what I found

I found a HP-25 programmable calculator from about 1975 at a swap meet for $3 and it works. Complete with owner's manual, charger and applications does 49 steps and records the keys used. The battery pack and leather case were missing...

mathematical nonsense

's a lot of this sort of thing going around.This sort of thing, and the shutdowns, is going to drive a lot of kidsinto private schools, to the detriment of public schools. A newsegregation in the making.My high school was one of the first...

HP11C emulators?

Hello Folks,Happened again. Bent over to solder something at a client, the trusty HP11C slipped out the shirt pocket and hit the tile floor really hard. This time the asterisk blinked and gave me a scare since you can't buy these...

Non-Scientific Survey of Scientific Calculators

I was just wondering what everyone uses these days for their maincalculator.Me, I presently have two HP48G's. (one is a backup)Used to have the HP41 until it finally died from abuse. (I miss itbadly!!)My first calculator was this...

All discussions