Step 1: Determine the UTF-8 encoding bit layout
The character ⍛ has the Unicode code point U+235B. In UTF-8, it is encoded using 3 bytes because its codepoint is in the range of
0x0800
to0xffff
.
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 thex
are the payload bits.UTF-8 Encoding bit layout by codepoint range Codepoint Range Bytes Bit pattern Payload length U+0000 - U+007F 1 0xxxxxxx 7 bits U+0080 - U+07FF 2 110xxxxx 10xxxxxx 11 bits U+0800 - U+FFFF 3 1110xxxx 10xxxxxx 10xxxxxx 16 bits U+10000 - U+10FFFF 4 11110xxx 10xxxxxx 10xxxxxx 10xxxxxx 21 bits Step 2: Obtain the payload bits:
Convert the hexadecimal code point U+235B to binary:
00100011 01011011
. Those are the payload bits.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 10001101 10011011
APL FUNCTIONAL SYMBOL JOT UNDERBAR·U+235B
Character Information
Character Representations
Click elements to copyEncoding | Hex | Binary |
---|---|---|
UTF8 | E2 8D 9B | 11100010 10001101 10011011 |
UTF16 (big Endian) | 23 5B | 00100011 01011011 |
UTF16 (little Endian) | 5B 23 | 01011011 00100011 |
UTF32 (big Endian) | 00 00 23 5B | 00000000 00000000 00100011 01011011 |
UTF32 (little Endian) | 5B 23 00 00 | 01011011 00100011 00000000 00000000 |
Description
The Unicode character U+235B, known as the "APL Functional Symbol Jot Underbar," holds a significant place within the realm of digital text due to its association with the programming language APL (A Programming Language). It is typically utilized in APL's syntax for denoting a subscript in mathematical expressions. This character, which boasts a distinct appearance characterized by a vertical line and an oblique stroke below a j-like form, holds particular cultural, linguistic, and technical importance within the community of mathematicians and computer programmers who employ APL. Its primary function is to differentiate subscripts from superscripts in APL's notation system, facilitating a clearer and more precise representation of complex mathematical operations. Despite its specialized usage, this character contributes to the versatility and functionality of digital text, emphasizing the vast potential for customization within the Unicode Standard.
How to type the ⍛ symbol on Windows
Hold Alt and type 9051 on the numpad. Or use Character Map.