Microsoft Excel is a powerful spreadsheet program that can be used for a variety of tasks, including basic math. Here's how to use Excel as a calculator to perform basic arithmetic operations such as ...

The common-core math standards require that students learn the standard algorithm for multi-digit adding and subtracting—you know, the process in which you line the numbers up vertically to add or ...

The confusion (likely intentional) boiled down to a discrepancy between the math rules used in grade school and in high school. By Steven Strogatz Recently I wrote about a math equation that had ...