While I'll always argue that SUM is my favorite and most-used Excel formula, there are plenty of other powerful functions included in the software. These features go far past using Excel as a digital ...

An equation of the form \(y = mx + c\) where \(m\) and \(c\) are numbers, gives a straight line when values of \(x\) and corresponding values of \(y\) are plotted on a grid. A straight line is a ...

All quadratic functions have the same type of curved graphs with a line of symmetry. The graph of the quadratic function \(y = ax^2 + bx + c\) is a smooth curve with one turning point. The turning ...

Pivot tables have long been the standard tool for summarizing and analyzing data in Excel, and they work well for many tasks. But if you've ever found yourself clicking through multiple menus just to ...

Images, graphs, and tables are wonderful ways to communicate information quickly and effectively to an audience. However, they must be presented and organized correctly to be useful. All images, ...

It is convenient to have a bar graph or table when communicating something on Twitter in an easy-to-understand manner, but it is difficult to create a graph as image data. In such a case, you can use ...

THIS is the first volume of an undertaking which promises to be as imposing as it is important. The work, begun in 1927 under the direction of Mr. H. T. Davis with the assistance of twenty colleagues, ...