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 has two primary types of charts that graph data sets onto an axis: line charts and scatter charts. Depending on your settings, the two types of charts can look identical, but using the wrong one ...

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 ...