Two columns or rows of data in Microsoft Excel may contain useful information, but you'll just have a set of numbers. You can give spreadsheet viewers a graphical representation of those numbers by ...

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 ...

We've all seen presentations that made us wonder, "What, exactly, is that graph saying? What am I looking at?" Hopefully, we haven't all given those presentations, but let's be honest—many of us ...

Graphs are a useful way to show numerical data. There are a variety of graphs that can help highlight patterns and be used to reach conclusions. Choosing the right graph is very important. Bar charts ...

They're all around us. They're on our food, in the news, in books and on social media. Andsometimes, this big jumble of numbers can seem daunting. But I think they're 100% interesting. Andif you know ...

Microsoft Office Excel contains a data analysis add-in that allows to to perform a Fourier analysis of a series of numbers. So named for the French mathematician who developed the analytic technique ...