`atanh-negative`

Subject: ATANH
Category: value
Formula: =ATANH(-0.5)
Canonical: —

Per-engine results

matches canonical diverges no fixture

Engine	Verdict	Value
gsheets	diverge	-0.549306
excel	diverge	-0.549306
lattice	diverge	-0.549306
ironcalc	diverge	-0.549306144
hyperformula	diverge	-0.549306
libreoffice	match	—
formulas	diverge	-0.549306
pycel	diverge	#NAME?