interpunct ¶Ç´Â multiplication dot ·Î ºÒ¸³´Ï´Ù
The multiplication dot (U+2219 ∙ bullet operator (HTML ∙) or U+22C5 ⋅ dot operator (HTML ⋅ ¡¤ ⋅)), whose glyphs are similar or identical to the interpunct, is a multiplication sign optionally used instead of the styled ¡¿: a⋅b is equivalent to a ¡¿ b or "a times b".
https://en.wikipedia.org/wiki/Interpunct https://en.wikipedia.org/wiki/Multiplication_sign