Ryan England
Founder of Sheets Bootcamp, a practice app for learning Google Sheets
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Ryan England
Maker
@dirkstoffberg Thanks! Yes, it shows why. When a formula is wrong, the app points to the mistake so you can fix it, not just a red X. And if there’s ever a feature you’d like to see or a topic you want covered in more depth, tell us. We’re happy to make changes as we go.
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@kwill_2026 Thanks! Both are already in. XLOOKUP is in the Lookups unit, right alongside VLOOKUP and INDEX MATCH, and ARRAYFORMULA has its own lessons in the Arrays & FILTER unit. More advanced formula lessons come out December 15.