Character Information

Code Point
U+2208
HEX
2208
Unicode Plane
Basic Multilingual Plane
Category
Math Symbol

Character Representations

Click elements to copy
EncodingHexBinary
UTF8
E2 88 88
11100010 10001000 10001000
UTF16 (big Endian)
22 08
00100010 00001000
UTF16 (little Endian)
08 22
00001000 00100010
UTF32 (big Endian)
00 00 22 08
00000000 00000000 00100010 00001000
UTF32 (little Endian)
08 22 00 00
00001000 00100010 00000000 00000000
HTML Entity
∈
URI Encoded
%E2%88%88

Description

The Unicode character U+2208, known as "ELEMENT OF," is a crucial symbol in mathematical notation and scientific writing. Its primary role is to denote the element of a set or the element that an operation acts upon. Typically used in digital text, it enables readers to easily identify the subject of a specific operation or equation. In computer science and programming languages, U+2208 is employed to signify the selection or extraction of elements from data structures like lists, arrays, and matrices. Furthermore, its usage in linguistics and cultural contexts is limited; however, it is occasionally seen in mathematical texts across various scientific disciplines such as physics, chemistry, and engineering. By accurately representing elements within sets or operations, U+2208 plays a vital role in the precise communication of complex concepts in both academic and professional settings.

How to type the symbol on Windows

Hold Alt and type 8712 on the numpad. Or use Character Map.

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

    The character has the Unicode code point U+2208. In UTF-8, it is encoded using 3 bytes because its codepoint is in the range of 0x0800 to 0xffff.

    Therefore we know that the UTF-8 encoding will be done over 16 bits within the final 24 bits and that it will have the format: 1110xxxx 10xxxxxx 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+2208 to binary: 00100010 00001000. 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:
    11100010 10001000 10001000