During a course in math teaching methods I took in ed school, I watched a video of a teacher leading his students to do a variety of tasks, ostensibly to teach them about factoring trinomials, such as ...

Adding a graph in a spreadsheet is no big deal as long as you know the process. However, do you know that you can make a curved line graph in Excel or Google Sheets? If not, you should check out this ...

How to extract a list of duplicate values across two columns in Excel Your email has been sent There are a number of ways to highlight duplicate values. Conditional formatting might be the most common ...