Invoice AuditorGlossary › First-digit screen
QuickBooks books-integrity glossary
First-digit screen
A first-digit screen is a forensic check that compares the leading digits of your spend amounts against the natural pattern real spending follows, to surface amounts that don't occur naturally.
Across a normal year of bills the leading digits fall into a stable, lopsided pattern; invented or manipulated numbers tend not to. The screen only means something across a whole file, so it was historically run only after something already smelled wrong. Invoice Auditor runs it read-only on every scan and stays silent unless your amounts drift from the natural pattern — then it surfaces what to look at, for your review.
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