σ

Technical information

Symbol	σ
Name	Greek small letter sigma
Unicode number	U+03C3
Category	Greek small letter normal

Description

The Unicode character σ, or U+03C3, is known as the "Greek Small Letter Sigma". It is part of the "Greek and Coptic" block and falls into the "Letter, Lowercase" category in the Unicode standard. This character represents the lower-case form of the 18th letter of the Greek alphabet. It's widely used in mathematics and science to represent a variety of concepts. For instance, in statistics, the lower-case sigma is often used to denote the standard deviation of a population. In physics, it might denote a sum or the cross-section of a physical process. The exact meaning usually depends on the particular context in which it is being used.

Encoding

HTML Entity	σ
HTML Entity (hex)	σ
HTML Entity (named)	σ
URL Escape Code	%CF%83
UTF-8 (hex)	0xCF 0x83
UTF-8 (binary)	11001111:10000011
UTF-16	0x03C3
UTF-32	0x000003C3

Source Code

C, C++, and Java	"\u03C3"
CSS Code	\03C3
JavaScript	"\u03C3"
Perl	\x{03C3}
Python 2	u"\u03C3"
Python 3	\u03C3
Ruby	\u{03C3}

Preview

This Unicode character looks like this σ in sentence and in bold like this σ and in italic like this σ.

CSS Property: font-weight

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HTML Forms and Input

input

disabled input

input-group

select

button

Code examples in HTML and CSS

<span>&#963;</span>

span {
    content: "\03C3";
}

The symbol in different fonts

-apple-system

Apple Color Emoji

Arial

BlinkMacSystemFont

Courier New

Georgia

Droid Sans

Helvetica

Noto Sans

Oxygen

Roboto

"Segoe UI"

sans-serif

Segoe UI Emoji

Segoe UI Symbol

system-ui

Times New Roman

Ubuntu

Verdana

σ