HP HP28S

12 discussions on ElectronDepot about the HP HP28S: what owners asked, what went wrong, and what fixed it.

What owners report

VMS on Raspberry Pi 5

Just an FYI.I recently ran VMS (5.5-2) as a VaxStation 3100M38 under OpenSimH on aRaspberry Pi 5!.I got VUPS rating of 30 or 31 from and Not bad on acredit card sized computer for £60!It ran a digital mapping application from the 1980s...

Favorite calculator

Like it saids above, what is your favorite calculator. Mine favorite calculator took a bath the other day. It had HEX math options on the keys. I could do hex math orquickly convert along with the other standards that come withSCi type...

Recording the Screen?

I was asked if I can record a C-Programming-Course on Video for a small amount of people. Maybe the Video will later be published on Vimeo or Youtube. I need a relative good quality therefore. I would not like to be in picture. I think it...

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...

triangle

Here's my maybe-final triangle wave generator. This will be used for production test of a 12-bit digitizer. We'll run the triangle into the ADC take a bunch of random-time samples and analyze them, looking for stuck bits and bad bit...

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