info

`isemail-of-number`

Subject: ISEMAIL
Category: value
Formula: =ISEMAIL(42)
Canonical: false

Owning divergences (2)

DV-0009 excel: function not implemented — DETECTLANGUAGE, EPOCHTODATE, GOOGLEFINANCE (+8 more)
missing-function excel
DV-0010 formulas, hyperformula, ironcalc, lattice, libreoffice, pycel: function not implemented — DETECTLANGUAGE, EPOCHTODATE, GOOGLEFINANCE (+8 more)
missing-function formulashyperformulaironcalclatticelibreofficepycel

Per-engine results

matches canonical diverges no fixture

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