BOTTOM TORTOISE SHELL BRACKET·U+23E1

Character Information

Code Point
U+23E1
HEX
23E1
Unicode Plane
Basic Multilingual Plane
Category
Math Symbol

Character Representations

Click elements to copy
EncodingHexBinary
UTF8
E2 8F A1
11100010 10001111 10100001
UTF16 (big Endian)
23 E1
00100011 11100001
UTF16 (little Endian)
E1 23
11100001 00100011
UTF32 (big Endian)
00 00 23 E1
00000000 00000000 00100011 11100001
UTF32 (little Endian)
E1 23 00 00
11100001 00100011 00000000 00000000
HTML Entity
⏡
URI Encoded
%E2%8F%A1

Description

The Unicode character U+23E1, known as the BOTTOM TORTOISE SHELL BRACKET, is a specialized typographical symbol often employed in digital text environments. Its primary function is to serve as a delimiter or boundary marker, similar to parentheses or brackets. The character takes its name from its visual resemblance to the underside of a tortoise shell, with curved edges that form an arched shape. Although it may not be widely used in everyday text or programming, the BOTTOM TORTOISE SHELL BRACKET holds significance within certain niche contexts. For instance, in mathematics and computer science, this symbol can be employed to denote specific operations, relationships, or structures that are distinct from those expressed by standard parentheses or brackets. In these areas, the use of the BOTTOM TORTOISE SHELL BRACKET helps maintain clarity and avoid confusion in complex equations or code. While it may not be a universally recognized symbol, the BOTTOM TORTOISE SHELL BRACKET (U+23E1) remains an important tool for those who require its unique functionality within their digital text endeavors.

How to type the symbol on Windows

Hold Alt and type 9185 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+23E1. 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+23E1 to binary: 00100011 11100001. 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 10001111 10100001