A mathematical function is a formula that takes an input, x, applies a set of calculations to it, and produces an output called y. By calculating a function at a large number of set intervals, it is ...

Microsoft Office's Excel application allows users to store, model and manipulate data sets. Excel spreadsheets organize this data into worksheets, each with a number of rows and columns. Each row or ...

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 ...

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 ...

Q. As a conclusion to each project, we evaluate our project time and cost estimates for accuracy. Obviously, underestimating is a problem, but over-estimating is also a problem that leads to ...

Excel won't display hidden data in a chart unless you flip the switch. Learn which option controls this behavior. By default, Excel displays only visible data in a chart. Consequently, if you hide ...

Excel has always been my go-to for charts and graphs. It gets the job done, and for quick internal reports, Excel templates ...

Is your chart boring? Try Excel’s people chart to liven things up. Susan Harkins shows you how. A people chart is an infographic, which leads me to a second definition. An infographic tells a story, ...

Excel has over 475 formulas in its Functions Library, from simple mathematics to very complex statistical, logical, and engineering tasks such as IF statements (one of our perennial favorite stories); ...