Slide rules are a neat piece of math and history ... I have several of these. If you do want to buy a rule, there are a few things to look for. First, make sure it has the cursor and that it ...

The clever dual-scale device boasts attributes such as an extendable measurement system, a measuring caliper, a magnetically retained pen, and a slide rule for performing calculations. As has been ...

Before there were apps for tablets and smartphones, before mathematics education software was easily installed on personal computers, before electronic calculators entered professional practice and ...

Around here we mostly enjoy slide rules. We even have our own collections including some cylindrical and circular ones. But [Mathologer] discusses a recent Reddit post that explains a circular ...