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 ...

A date-and-cost line chart tracks a commodity's changing price over time. Economists use such diagrams to display broad market trends and predict future prices. Businesses that restock continually use ...

In this tutorial, we will explain how to make a Step Chart in Microsoft Excel. Charts are known to many as a graphical representation of data that people can use to explain a point to their audiences.

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I have three values. On the X axis I want the date and time, and on the Y axis I want my reading. My data set looks like this: Code: Date Time Reading 11/30/2011 0934 212 11/30/2011 1252 272 ...

How to add a single vertical bar to a Microsoft Excel line chart Your email has been sent There are lots of ways to highlight a specific element in a Microsoft Excel chart. You might add data labels ...

A good graph supports your argument without taxing the reader's eye or patience. Keep the graph simple and you will end up with more effective, cleaner and clearer result than adding unnecessary ...