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.

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…

With our A t Z of Excel Functions series, you could argue we have been trying to make a soft CELL (get it?).

Do you know where your CEILING is precisely?? If not, this function won’t help you.

This function sounds like something you calculate whilst swinging from the chandeliers...

Have you reached your CEILING?

This function returns the cumulative interest paid (“cumulative interest payment”) on a loan between a designated start_period and end_period given a constant periodic discount rate...

Look, before we go anywhere here, this function is for advanced users only. If you use the CALL function incorrectly, you might be looking for a new computer – well at best, you’ll have to restart your PC....

This function returns a bitwise ‘XOR’ of two numbers (XOR was first introduced in Excel 2013 and at the current rate of publishing these articles we should get to this one by 2044)...