Formulas are powerful tools for performing calculations and analyzing data in Excel. In this beginner’s guide, you’ll learn how to use formulas and explore some popular built-in functions. One of the ...

The tangent is defined as the single point where a straight line meets a curved surface. The tangent can be determined with a collection of mathematical formulas but is most commonly determined by ...

A mathematical function is a formula that takes an input, x, applies a set of calculations to it, and produces an output called y. By calculating a function at a large number of set intervals, it is ...

To kick things off, let’s explore how to perform essential calculations like determining the total salary and headcount by department. This is where functions such as `COUNTIFS`, `SUMIFS`, and ...

If you understand the definition of a mathematical function, a good way to judge it is that any line drawn parallel to the y-axis intersects with the values in the function’s curve only once. The same ...

Excel is probably Microsoft’s most popular developer tool. With a built-in functional programming language that now supports lambdas and variables, Excel has become a tool that people build businesses ...

In this tutorial, we want to find the character of ‘Pig.’ We are going to click the cell where we want to find the character. Then type =Find; bracket. Inside the bracket, we will type “Pig,” which is ...

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 ...

We all know that Excel can make some gorgeous charts and graphs, but if you are like 30 Rock's Liz Lemon and don't know your scatter plot from your triangle graph ("I don't know. It sounded real!"), ...