Sum Sigma symbol
Type :sum: · Math
What ∑ is for
The summation operator: add up everything in the range. This is the maths character, distinct from the Greek capital sigma it was drawn from, and screen readers announce them differently.
How to type ∑
The shortcuts below are the built-in routes. With
Emoji Anywhere
installed you can skip all of them and type
:sum: in any text field instead, which
is the same on every platform.
macOS
Option + W
Windows
No Alt code. In Word, type 2211 then press Alt +
X. Elsewhere use the emoji panel with Win + Period, or Character Map.
Shortcodes
:sum: :sum_sigma: On the web
HTML ∑
Unicode U+2211
What ∑ gets mistaken for
Greek capital sigma
The letter. Looks near enough identical in most fonts and is a different character underneath. If you mean the operator, use this page’s.
More from math
:pm: × :times: ÷ :divide: ≈ :approx: ≠ :neq: ≡ :identical_to: ≤ :lte: ≥ :gte: ∞ :inf: √ :sqrt: ∏ :product_pi: ∫ :integral: Every symbol and kaomoji is in the full gallery .
Tired of copying ∑ from pages like this one?
That is exactly what the extension removes. Here is the whole interaction, in every text field you already use:
You type
You get
Your keyboard already knows what you mean
Free, 280 KB, no account. Two letters from now you will never open an emoji panel again.