GREEK SMALL LETTER SIGMA·U+03C3

σ

Character Information

Code Point
U+03C3
HEX
03C3
Unicode Plane
Basic Multilingual Plane
Category
Lowercase Letter

Character Representations

Click elements to copy
EncodingHexBinary
UTF8
CF 83
11001111 10000011
UTF16 (big Endian)
03 C3
00000011 11000011
UTF16 (little Endian)
C3 03
11000011 00000011
UTF32 (big Endian)
00 00 03 C3
00000000 00000000 00000011 11000011
UTF32 (little Endian)
C3 03 00 00
11000011 00000011 00000000 00000000
HTML Entity
σ
URI Encoded
%CF%83

Description

The Unicode character U+03C3, or GREEK SMALL LETTER SIGMA, is a vital component in the Greek alphabet, representing the 19th letter of this script. In digital text, it serves as a primary character to form words and phrases in Greek language, playing a crucial role in typography for accurate representation of texts in linguistic contexts. This character holds significant importance in mathematical notation as well, where it is often used as a symbol for summation or sigma notation, reflecting its versatility across various domains. U+03C3 is indispensable for precise and culturally accurate digital communication in Greek language and mathematics.

How to type the σ symbol on Windows

Hold Alt and type 0963 on the numpad. Or use Character Map.

  1. Step 1: Determine the UTF-8 encoding bit layout

    The character σ has the Unicode code point U+03C3. In UTF-8, it is encoded using 2 bytes because its codepoint is in the range of 0x0080 to 0x07ff.

    Therefore we know that the UTF-8 encoding will be done over 11 bits within the final 16 bits and that it will have the format: 110xxxxx 10xxxxxx
    Where the x are the payload bits.

    UTF-8 Encoding bit layout by codepoint range
    Codepoint RangeBytesBit patternPayload length
    U+0000 - U+007F10xxxxxxx7 bits
    U+0080 - U+07FF2110xxxxx 10xxxxxx11 bits
    U+0800 - U+FFFF31110xxxx 10xxxxxx 10xxxxxx16 bits
    U+10000 - U+10FFFF411110xxx 10xxxxxx 10xxxxxx 10xxxxxx21 bits
  2. Step 2: Obtain the payload bits:

    Convert the hexadecimal code point U+03C3 to binary: 00000011 11000011. Those are the payload bits.

  3. Step 3: Fill in the bits to match the bit pattern:

    Obtain the final bytes by arranging the paylod bits to match the bit layout:
    11001111 10000011