Agas Rustic
Spreadsheet Reliability & Python Automation Specialist
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Spreadsheet formula QA tip: test the totals before fixing individual cells. For a synthetic monthly-sales sheet, I use three controls: recalculate totals from raw rows; compare each formula range with neighboring rows; and flag hard-coded numbers inside formula columns. If the...
Spreadsheet cleanup tip: define the duplicate key before deleting anything.A safe workflow is to preserve the original file, normalize dates and text, flag duplicate keys for review, then reconcile input and output row counts. That makes every change traceable instead of...