We have created sample data containing sales of 6 different companies in four consecutive months (from January to April). The Total Sales sheet represents the total number of sales in all four months ...

Have you ever thought of the humble SUM function as a secret weapon for advanced analytics? Most Excel users see it as a basic tool for adding numbers, but what if I told you it could do so much more?

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Daniel writes guides on how to use the internet, explainers on how modern technology works, and the occasional smartwatch or e-reader review. He especially likes deep diving into niche topics that ...