Many of the set squares in the mathematics collection are early modern treasures handcrafted in Europe. A particularly interesting example has a then-new metric scale. (See also the scale rules group ...

How to Use Square: An In-depth Guide for New Users Your email has been sent Before you can begin using Square, it must first be set up properly. This step-by-step guide explains how to do so. Though ...

Set squares are drawing instruments used to create vertical, horizontal, and diagonal lines as well as certain angles. They may be shaped as squares, Ls, or triangles, although in American usage set ...