Step 1: Determine the UTF-8 encoding bit layout
The character ⇿ has the Unicode code point U+21FF. In UTF-8, it is encoded using 3 bytes because its codepoint is in the range of
0x0800to0xffff.
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 thexare 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+21FF to binary:
00100001 11111111. 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 10000111 10111111
LEFT RIGHT OPEN-HEADED ARROW·U+21FF
⇿
Character Information
Code Point
U+21FF
HEX
21FF
Unicode Plane
Basic Multilingual Plane
Category
Math Symbol
Character Representations
Click elements to copy| Encoding | Hex | Binary |
|---|---|---|
| UTF8 | E2 87 BF | 11100010 10000111 10111111 |
| UTF16 (big Endian) | 21 FF | 00100001 11111111 |
| UTF16 (little Endian) | FF 21 | 11111111 00100001 |
| UTF32 (big Endian) | 00 00 21 FF | 00000000 00000000 00100001 11111111 |
| UTF32 (little Endian) | FF 21 00 00 | 11111111 00100001 00000000 00000000 |
HTML Entity
⇿
URI Encoded
%E2%87%BF
Description
The Unicode character U+21FF, known as the Left Right Open-Headed Arrow, serves a specific purpose in digital text. It is utilized primarily within mathematical equations or scientific notation to represent the concept of an open-ended interval or range of values. Its leftward-facing arrowhead signifies the starting point, while its rightward-facing counterpart indicates the endpoint of this interval or range. The Left Right Open-Headed Arrow is a crucial tool in conveying numerical and statistical concepts accurately and efficiently within digital text. It is especially significant in fields such as computer science, engineering, and statistics where precise representation of data ranges is critical for effective communication. There are no notable cultural, linguistic, or technical contexts associated with this character, as its purpose is purely functional and universal.
How to type the ⇿ symbol on Windows
Hold Alt and type 8703 on the numpad. Or use Character Map.