Author: Andrew Moss

Andrew is a technical writer who specialises in Excel and data analysis. He has published hundreds of articles and social media posts aimed at helping people enhance their skills and spreading good practices.
  • MMULT Function

    Excel functions like XLOOKUP and MATCH lack the ability to look up values in multiple rows or columns. However, this problem is circumvented with the help of MMULT, which returns the matrix product of two arrays. Before diving into the…

  • BYROW Function

    Yesterday, I covered the new BYCOL function, which allows you to perform calculations on columns in an array. Guess what? There’s also a BYROW function! Predictably, it does the same thing for rows instead. Here’s the syntax: Whereas BYCOL calculated…

  • BYCOL Function

    The new BYCOL function is currently only available to Office Insiders, but it promises to make calculating columns easier and more efficient. The Sales by Month table contains monthly sales figures for six products. If you wanted to calculate the…

  • Running Totals

    A running total is the summation of the current and previous numbers in a column. It’s a useful way of keeping track of sales figures over a time period or for monitoring the balance on a bank statement. Have a…