Microsoft Excel gives you a boatload of options for changing the format of color charts. You can change the layout of a chart, then customize that layout to the format you prefer. For example, you can ...

Note: This video is designed to help the teacher better understand the lesson and is NOT intended to be shown to students. It includes observations and conclusions that students are meant to make on ...

Half a year since the emergence of Covid-19 and months since cities and states went into lockdown—and, to varying degrees, came out again—we’re more than familiar with the basics of what we should do ...

Two folds from an Astrolin Color Card pamphlet by Établissement Georget Fils Peintures Laquées et Vernis, Chantenay-Lès-Nantes (c. 1906), 6 3/10 x 3 3/4 inches (image courtesy Bibliothèque Forney, ...