Code point
U+2350
Glyph appearance depends on your fonts.
U+2350
SoU+2350 APL FUNCTIONAL SYMBOL QUAD UPWARDS ARROW 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+2350
9040
⍐
⍐
E2 8D 90
2350
00002350
%E2%8D%90
\u2350
\u2350
\u2350
\2350