Microsoft Office Excel contains a data analysis add-in that allows to to perform a Fourier analysis of a series of numbers. So named for the French mathematician who developed the analytic technique ...

Microsoft has released a public preview of GeoFlow today, a new 3D visualization tool for Excel which allow users to create, navigate and interact with time-sensitive data applied to a digital map.

Excel is probably Microsoft’s most popular developer tool. With a built-in functional programming language that now supports lambdas and variables, Excel has become a tool that people build businesses ...

Back in 2013 John Gagnon continued his popular series of posts about powerful spreadsheet use with a handy how-to guide for using the add-in GeoFlow for Excel. Back in 2013 John Gagnon continued his ...

Differential equations are equations that contain derivatives. The equations are used in calculus to describe relationships among one or more variables. A solution to any series of equations can be ...

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 ...