Code point
U+2355
Glyph appearance depends on your fonts.
U+2355
SoU+2355 APL FUNCTIONAL SYMBOL UP TACK JOT 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+2355
9045
⍕
⍕
E2 8D 95
2355
00002355
%E2%8D%95
\u2355
\u2355
\u2355
\2355