Sigma symbol
Type :sigma: · Greek
Unicode name Greek Small Letter Sigma · Greek and Coptic block · added in Unicode 1.1, 1993
What σ is for
Lowercase sigma: standard deviation in statistics, which is why "six sigma" means what it does. Distinct from the capital, which the summation operator was drawn from.
How to type σ
The shortcuts below are the built-in routes. With
Emoji Anywhere
installed you can skip all of them and type
:sigma: in any text field instead, which
is the same on every platform.
macOS
No direct shortcut. Use Edit → Emoji & Symbols, or switch to the Unicode Hex
Input source and type 03C3 with Option
held.
Windows
No Alt code. In Word, type 03C3 then press Alt +
X. Elsewhere use the emoji panel with Win + Period, or Character Map.
Shortcodes
:sigma: On the web
HTML σ
Unicode U+03C3
JavaScript '\u{03C3}'
CSS "\03C3"
Python '\u03C3'
URL %CF%83
More from greek
:delta: ε :epsilon: θ :theta: λ :lambda: μ :mu_micro: π :pi: τ :tau: φ :phi: ψ :psi: ω :omega: Δ :capital_delta: Σ :capital_sigma: Every symbol and kaomoji is in the full gallery .
Tired of copying σ 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, 290 KB, no account. Two letters from now you will never open an emoji panel again.
