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 ...

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 ...

Used by engineers for centuries, they were displaced by pocket calculators and all but forgotten until Mr. Shawlee created a subculture of obsessives and cornered the market. By Alex Traub For about ...

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 ...

We recently ran a post about engineers being worse, better, or the same than they “used to be” and it got me thinking. Of course “used to be” is in the eyes of the beholders. To me, that’s the 1950s ...

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 ...