`219a88`

Subject: PROPER
Category: value
Formula: =PROPER("o'brien")
Canonical: O'Brien

Owning divergences (1)

DV-0005 ironcalc, pycel: function not implemented — ADDRESS, CHAR, CLEAN (+17 more)
missing-function ironcalcpycel

Per-engine results

matches canonical diverges no fixture

Engine	Verdict	Value
gsheets	match	O'Brien
excel	match	O'Brien
lattice	match	O'Brien
ironcalc	diverge	#NAME?
hyperformula	match	O'Brien
libreoffice	match	O'Brien
formulas	match	O'Brien
pycel	diverge	#NAME?