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".