Code point
U+236F
Glyph appearance depends on your fonts.
U+236F
SoU+236F APL FUNCTIONAL SYMBOL QUAD NOT EQUAL is a Unicode 16.0.0 character in the Other Symbol category. It belongs to the Miscellaneous Technical block.
Choose the representation you need, then copy its value.
U+236F
9071
⍯
⍯
E2 8D AF
236F
0000236F
%E2%8D%AF
\u236F
\u236F
\u236F
\236F