On the final Friday of each month, we’re going to set Excel for you to puzzle over so that you can get your “Excel fix”. Challenge your office colleagues to see who can solve the puzzle quickest. There’s no prizes at this stage, you’re playing for bragging rights only!

In probability theory and statistics, the chi-squared distribution (also chi-square or ?2-distribution) with k degrees of freedom is the distribution of a sum of the squares of k independent standard normal random variables.

Macros can run pretty slowly when you start working with large files. There are a couple of tricks to improve the speed that your macro runs, relating to a) calculation time, and b) screen updates.

Grouping in Power Query is not intended to replace the excellent tools available in Excel spreadsheets to group and summarise data. Power Query’s talent is its ability to manipulate very large data sets, and it can be useful to group data before uploading to an Excel spreadsheet so that there are less rows to deal with...

In probability theory and statistics, the chi-squared distribution (also chi-square or ?2-distribution) with k degrees of freedom is the distribution of a sum of the squares of k independent standard normal random variables.

Last time we were here, we talked about a macro you could use to loop through all of the sheets in a file and unhide them and unprotect them. This presents problems when there are passwords that you're not aware of...

In probability theory and statistics, the chi-squared distribution (also chi-square or ?2-distribution) with k degrees of freedom is the distribution of a sum of the squares of k independent standard normal random variables.

Cup of tea? Well a cup of CHAR won’t help you…

Though this may sound similar to last week’s blog, in many ways this method has just as much in common with One Folder, One Query...

On Friday, I stated that a positive integer (whole number) is said to be prime if only two different numbers divide it: one and itself.