The mathematics collections document the stories of several of these objects individually, including pens and pencils, dividers and compasses, squares and triangles, protractors, parallel rules, ...

The mathematics collections document the stories of several of these objects individually, including pens and pencils, dividers and compasses, squares and triangles, protractors, parallel rules, ...

This combination of historical charm and contemporary refinement distinguishes the Kerry as a statement piece rather than just a writing instrument ... pencil, making the act of writing an art ...

Over the long term, tariffs on imported pencils could accelerate innovation within the industry. U.S. manufacturers may ...