`669dce`

Subject: IMSUM
Category: value
Formula: =IMSUM("1+2i", "1-2i")
Canonical: 2

Owning divergences (2)

DV-0001 pycel: function not implemented — AVEDEV, AVERAGEA, COLUMNS (+75 more)
missing-function pycel
DV-0107 lattice: rendered with different format — IMSUM
format-rendering lattice

Per-engine results

matches canonical diverges no fixture

Engine	Verdict	Value
gsheets	match	2
excel	match	2
lattice	diverge	{__typeof: "Complex", …
ironcalc	match	2
hyperformula	match	2
libreoffice	match	2
formulas	match	2
pycel	diverge	#NAME?