What ⫻ means
Its notation tells you what relation the sign denotes.
MathML 3 (2010) lists it as infix, meaning the sign sits between the expressions it connects.
Don't confuse it with
4Questions people ask
1Why does ⫻ show as a box on some devices?
Because that device's fonts have no glyph for it. The character is still correct and still copies correctly — the box is a missing glyph, not a broken character.
How to type ⫻
Windows (Word)
Alt+XType 2AFB, then Alt+X to get ⫻.
Windows
Win+Rrun charmap for the full table, or use the emoji picker's Ω symbols tab (Win + .).
macOS
Control+Command+SpaceOpen the character viewer and search “triple solidus binary relation”.
Linux
Ctrl+Shift+UType 2afb, then Enter or Space.
HTML
⫻CSS
\2AFBLaTeX (unicode-math)
With unicode-math v0.8r loaded, write `\trslash` in math mode.
Codes and encoding1 code points
HTML decimal
⫻
HTML hex
⫻
CSS content
content: "\2AFB";
Each escape is closed by the next backslash; a trailing space is needed before a literal hex digit.
URL encoded
%E2%AB%BB
1
On screen
1
Code points
1
JS .length
3
UTF-8 bytes
A visible symbol can contain several code points. JS .length counts UTF-16 units; UTF-8 counts bytes.