Interpolation is forecasting using existing data to predict future patterns and values. Being able to forecast helps every business leader make the right decisions when it comes to cutting costs ...

When you try to graph the values in the column, you can't graph them because Excel thinks they are strings, not numbers. To make a graph with strings in Excel, convert the strings to numbers and ...

To calculate the Consumer Price Index between two years in Excel ... To convert the values to a percentage, select all of them, and hit the Percentage symbol. The best graph type for CPI values ...

Here’s how to make a Gantt chart in Excel to accommodate complex agile project management within the familiar tool.

The ease with which you can create a line graph in Excel on your PC or Mac will do much to dispel the misconception that the program is arcane and unapproachable. With just three clicks of a mouse ...