With the functions I'll discuss here, you can make data cleanup much easier in Excel. They allow you to extract, style, split, and join text to get what you need without wasting hours doing it ...

Have you ever found yourself staring at a tangled mess of Excel formulas, wondering if there’s a simpler way to get the results you need? You’re not alone. Whether you’re managing sales data, tracking ...

If you are looking for an easy way to enhance your Excel data analysis and visualizations you might be interested in learning more about the Filter feature available within Microsoft Excel ...

When analyzing grades (especially for a large class) the COUNTIF function in Excel can be extremely helpful. For example, suppose you have entered your final letter grades, and you need to report how ...

A set of functions are presented for Octave/MATLAB that allow easy, consistent, and properly scaled DFT/FFT analysis of signals and noise. The techniques and functions presented are easily translated ...