Believe it or not, there are some retro gadgets that are even too old for us. So we must seize on them while we can, because soon the only machines that will fall into this category will be from the ...

Almost everyone has heard of the term horsepower, but that doesn't mean they know exactly what it signifies. After all, we've all seen cars being advertised regarding the number of horsepower the ...

The early HP Reverse Polish Notation calculators have a special place in the hearts of engineers and tinkerers as there are lots of projects involving them. They haven’t been produced in decades, but ...

[Michel Jean] asked a question few others might: what exactly is going on under the hood of a classic HP scientific calculator when one presses the ∫ key? A numerical integration, sure, but how ...

IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. This is an engineering prototype for ...