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 clear plastic slide rule was ...

It is no secret that we like slide rules around the Hackaday bunker, and among our favorites are the cylindrical slide rules. [Chris Staecker] likes them, too, and recently even 3D printed a version.

Most people have heard of or seen slide rules, with older generations likely having used these devices in school and at their jobs. As purely analog computers these ingenious devices use precomputed ...

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 ...

A third edition, soft cover textbook titled, Slide Rule: How to Use It (Barnes & Noble Everyday Handbooks Series #254), by Calvin C. Bishop. The soft cover book has glossy front and back paper covers.

For about 350 years, humanity’s most innovative handheld computer was something called a slide rule. As typewriters once symbolized the writer, slide rules symbolized the engineer. These analog ...