Strategic problem solving is a critical business skill, for both management and front-line workers. For management, a large portion of strategic problem solving involves predicting problems that ...

The MOD function in Microsoft Excel lets you work out whether one number is divisible by another. If it's not, it tells you what's left over. For example, if you divide 3 by 2, the MOD function will ...

An equation is a mathematical statement showing that two expressions are equal. The two expressions are linked with an equals symbol (=). The unknown variable (often the letter \(x\)) can take any ...

We have looked at how to solve equations with one unknown value, but what happens when there are two unknown values? An equation with two unknown values will have infinitely many solutions. or \(x=100 ...

The COUNTIFS function in Excel is a powerful and versatile tool for counting cells based on multiple criteria. It offers a significant advantage over the COUNTIF function, which is limited to handling ...

Tessellations aren’t just eye-catching patterns—they can be used to crack complex mathematical problems. By repeatedly ...