From the archive
Sunday, 9 August 2026
One total and one count, and both need to agree on exactly the same rows.
You're in Finance closing out last month's expense claims. Someone in Sales management wants to know how much the team spent on travel, and how many claims made up that figure. Using the Department and Category columns, put the total in B10 and the number of matching claims in B11.
A new exercise every morning, plus every day that came before it — a back catalogue that grows by one a day, whether or not you were here for it.
The last 14 days. Today's challenge is free while your streak is alive; Pro opens every past day too.