The HP-35 scientific calculator managed to replace the slide rule almost overnight, using a legendary combination of form and function. The HP-35 scientific calculator managed to replace the slide ...

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 alphanumeric programmable ...

You’d assume that calculators would have been one of the many technological casualties of the smartphone, joining MP3 players and point-and-shoot cameras as standalone devices no one really uses any ...

The beloved HP-35, one of the first scientific calculators able to “perform transcendental functions such as trigonometric, logarithmic and exponential functions” with an LED display just received an ...

While we might have started out using our fingers and toes to count, humanity has been busy designing machines to help with calculations for hundreds of years. From early counting devices to modern ...

There was a time when being an engineering student meant you had a sword. Well, really it was a slide rule hanging from your belt, but it sounds cooler to call it a sword. The slide rule sword gave ...

As Micky Mouse (1928–) once famously said: “Arithmetic is being able to count up to twenty without taking off your shoes.” As Micky Mouse (1928–) once famously said: “Arithmetic is being able to count ...

Since the early 1970s, Hewlett-Packard pocket calculators have proved popular with students, scientists and engineers. Most of their scientific calculators let you show more digits after the zero. For ...

For most people, calculators are cheap and simple devices used for little more than addition and the odd multiplication job. However, when you get into scientific and graphical calculators, the ...