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Sheets
Formulas, functions, and data references.
Formulas & functions
Sheets supports the standard formula language you'd expect — SUM, VLOOKUP, INDEX/MATCH, and hundreds of others — plus AI-assisted formula generation from a plain-language description of what you're trying to compute.
Data references
Reference ranges across sheets and files the same way you would in any spreadsheet tool. Apeirogon tracks dependencies locally so recalculation stays fast even on large, heavily cross-referenced workbooks.
AI-assisted analysis
Ask Sheets to clean messy data, summarize a range, or flag anomalies in plain language. Every suggestion is logged in the audit trail so you can see exactly what changed and why.