`1e062a`

Subject: ATAN
Category: value
Formula: =ATAN(1)
Canonical: —

Per-engine results

matches canonical diverges no fixture

Engine	Verdict	Value
gsheets	diverge	0.785398
excel	diverge	0.785398
lattice	diverge	0.785398
ironcalc	diverge	0.785398163
hyperformula	diverge	0.7853981634
libreoffice	diverge	0.785398
formulas	diverge	0.785398
pycel	diverge	0.785398