We now live in a time where kids think of calculators as just another app. But before they were even standalone electronic devices, mathematicians and engineers had to suffice with a confusing ...

Recently I overheard two high-school teachers say that many math teachers no longer teach students about significant figures. So, the young people don't realize 3.3 times 3.3 equals 11, not 10.89. One ...

In the grand scheme of things, it really wasn’t all that long ago that a slide rule was part of an engineer’s every day equipment. Long before electronic calculators came along, a couple of sticks of ...

This clock, made by Greg Blonder from a Lego Mindstorms set, is an homage to the slide rule. It’s super simple to read; the upper rule tells the hours and the lower tells the minutes. They move ...

When you look at the Dow Jones Industrial Average or a bank statement or your receipt at the grocery local store, do you ever stop to think about how numbers are actually processed? (It’s OK – you won ...

WEST LAFAYETTE, Ind. – Astronauts Neil Armstrong and Jerry Ross, along with about 200 other Purdue University alumni, have added their slide rules to a new exhibit at their alma mater that testifies ...