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 ...

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 ...

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 ...

The ease with which you can create a line graph in Excel on your PC or Mac will do much to dispel the misconception that the program is arcane and unapproachable. With just three clicks of a mouse (or ...

Excel can be a time sink. If you are tired of wrestling with VLOOKUPs, filtering data, and text manipulation, it’s time to ...

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!"), ...