Code point
U+234D
Glyph appearance depends on your fonts.
U+234D
SoU+234D APL FUNCTIONAL SYMBOL QUAD DELTA 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+234D
9037
⍍
⍍
E2 8D 8D
234D
0000234D
%E2%8D%8D
\u234D
\u234D
\u234D
\234D