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Harrison BoothandClaude Opus 5.5
ab4d58ca6f
MATCH, XMATCH, VLOOKUP, HLOOKUP, XLOOKUP and LOOKUP compared numbers at 15 significant digits (through compare / compare_numbers), so a computed key such as =0.1+0.2 (0.30000000000000004) found 0.3. Excel 365 compares lookup keys exactly in exact, approximate and binary search modes, while =, SWITCH and the criteria functions (COUNTIF(S), SUMIF(S), AVERAGEIF, MAXIFS) keep the 15-digit comparison. Observed in Excel via COM with synthetic values. lookup_equal now compares numbers with ==, and the lookup searches order values with lookup_order (exact for numbers, compare otherwise). compare_numbers and the criteria path are unchanged. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>