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 ten-inch, one-sided wooden slide ...

It was the only technological tool widely and continuously used for over three centuries. For math and science geeks it was a badge of honor, nestled neatly into a plastic pocket protector along with ...

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 inexpensive 9-1/2 inch one-sided ...

While some (math-phobics) still may relish the simple beauty and non-threatening functionality of the abacus, there are those who have made the transition to more challenging computing gadgets—many ...

There was a time not that long ago when every type of engineer had a slide rule. But the advent of semiconductor technology and the creation of handheld computers made the slide rule obsolete. Or did ...

In 1972 microprocessors hit the market as the key components of the first handheld electronic calculator. The nameplate read simply "Hewlett Packard" and the device could perform logarithmic and ...

MARTHA DIBBLEE reminds us that we no longer require students to use a slide rule (C&EN, March 2, page 6). As a result, today's students have lost a feeling for the meaning of accuracy. Because ...

When I was a bright-eyed bushy-tailed young engineer, no one I knew could afford an electronic calculator and the mechanical slide rule still held sway. Thinking back to those now far-off days, a good ...