∑
N-Ary Summation
Unicode: U+2211
HTML: ∑
About this Symbol
The N-Ary Summation symbol (∑) is a Unicode character with code point U+2211. It belongs to the Mathematical Operators category of Unicode symbols.
Usage Examples
- Plain text:
∑
- HTML:
∑
- Unicode:
U+2211
How to Type
Windows
Hold Alt and type 8721 on the numeric keypad.
macOS
Press Command + Control + Space to open the Character Viewer, then search for "N-Ary Summation".