View details and encodings for Unicode character U+2211 N-Ary Summation, located in the Mathematical Operators block and Math Symbol category. This character was released in 1993 under Unicode version 1.1.
∑∑∑∑U+2211;8721\002211\u2211\x{2211}\u{2211}u'\u2211'| Image | Browser | Unicode | Name |
|---|---|---|---|
![]() | ⅀ | U+2140 | Double-Struck N-Ary Summation |