`countunique-with-dupes`

Subject: COUNTUNIQUE
Category: value
Formula: =COUNTUNIQUE(A1:A5)
Canonical: 3

Owning divergences (1)

DV-0049 excel, formulas, ironcalc, libreoffice, pycel: function not implemented — COUNTUNIQUE
missing-function excelformulasironcalclibreofficepycel

Per-engine results

matches canonical diverges no fixture

Engine	Verdict	Value
gsheets	match	3
excel	diverge	#NAME?
lattice	match	3
ironcalc	diverge	#NAME?
hyperformula	match	3
libreoffice	diverge	—
formulas	diverge	#NAME?
pycel	diverge	#NAME?