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 ...

Whether presenting a project at school, delivering a critical report at work, or simply trying to make sense of your budget, graphs are efficient and visually appealing means of conveying complex ...

Using Excel’s PivotTables and PivotCharts, you can quickly analyze large data sets, summarize key data, and present it in easy-to-read format. Here’s how to get started with these powerful tools.

To calculate the Consumer Price Index between two years in Excel, take a sum of all the amounts spent on the basket of products over those two years. Then use the following formula to find the CPI ...

You can make a bar graph in Excel by first selecting the range of data you want to depict, and then using the dropdown menu to select the desired chart. A bar graph represents the data of an Excel ...

While Microsoft Excel is one of the most powerful spreadsheet applications, it’s also the most intimidating tool in the Microsoft Office suite. If you’ve never used Excel before or are just a bit ...

Conditional formatting highlights key information in a spreadsheet so it’s easy to see at a glance. This beginner’s guide gets you started. Spreadsheets usually hold a wealth of information, but it ...