`erf-precise-negative`

Subject: ERF.PRECISE
Category: value
Formula: =ERF.PRECISE(-0.5)
Canonical: —

Per-engine results

matches canonical diverges no fixture

Engine	Verdict	Value
gsheets	diverge	[object Object]
excel	diverge	[object Object]
lattice	diverge	-0.520500
ironcalc	diverge	-0.520499878
hyperformula	diverge	#NAME?
libreoffice	match	—
formulas	diverge	-0.520500
pycel	diverge	#NAME?