Code point
U+2292
Glyph appearance depends on your fonts.
U+2292
SmU+2292 SQUARE ORIGINAL OF OR EQUAL TO is a Unicode 16.0.0 character in the Math Symbol category. It belongs to the Mathematical Operators block.
Choose the representation you need, then copy its value.
U+2292
8850
⊒
⊒
⊒
E2 8A 92
2292
00002292
%E2%8A%92
\u2292
\u2292
\u2292
\2292