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 ...

You can make an Excel scatter plot assigning one of the variables in each record to the x-coordinate and one to the y-coordinate on a standard graph axis.

Want to know how to create a scatter plot in Excel? Here's a guide on how we created a simple chart based on performance numbers.

How to Plot a Formula in Excel. Unless you are an accountant or a math whiz, the formulas used in financial calculations may seem like random, nonsensical strings of numbers, letters and Greek ...

There is disagreement on the proper way to label logarithmic scales in charts and graphs, especially when the base is not 10. This post shows several alternative ways of labeling log scales ...