Speed up Excel cleanup with smarter wildcards. We compare three methods and show start or end matching your lists actually need.

Excel multiplies the items in the first array (cost price) by the corresponding items in the second array (units sold) and then sums the results to give you the total. It is immediately clear what the ...

This calculation can be used for hypothesis testing in statistics Adam Hayes, Ph.D., CFA, is a financial writer with 15+ years Wall Street experience as a derivatives trader. Besides his extensive ...

When the IBM PC was new, I served as the president of the San Francisco PC User Group for three years. That’s how I met PCMag’s editorial team, who brought me on board in 1986. In the years since that ...