feat(calc): formulas fallback + 18 new builtins (lookup & conditional)#3

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wolfiesch merged 3 commits intomainfrom

feat/formulas-integration

Feb 20, 2026

Commits on Feb 20, 2026

feat(calc): formulas library fallback + 10 new builtin functions

wolfiesch
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claude
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feat(calc): add lookup & conditional aggregation builtins (INDEX, MATCH, XLOOKUP, CHOOSE, SUMIF, SUMIFS, COUNTIF, COUNTIFS)

wolfiesch
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claude
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fix: address PR #3 review comments

wolfiesch
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claude
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