APL FUNCTIONAL SYMBOL QUAD RIGHTWARDS ARROW·U+2348

Character Information

Code Point
U+2348
HEX
2348
Unicode Plane
Basic Multilingual Plane
Category
Other Symbol

Character Representations

Click elements to copy
EncodingHexBinary
UTF8
E2 8D 88
11100010 10001101 10001000
UTF16 (big Endian)
23 48
00100011 01001000
UTF16 (little Endian)
48 23
01001000 00100011
UTF32 (big Endian)
00 00 23 48
00000000 00000000 00100011 01001000
UTF32 (little Endian)
48 23 00 00
01001000 00100011 00000000 00000000
HTML Entity
⍈
URI Encoded
%E2%8D%88

Description

The Unicode character U+2348, known as the "APL FUNCTIONAL SYMBOL QUAD RIGHTWARDS ARROW," is a specialized typographic symbol primarily used in digital text within mathematical and programming contexts. It represents a rightwards arrow with a quadrant-like shape, indicating a function or operation that applies to quadrants of a space or plane. This character plays an essential role in APL (A Programming Language), which is a high-level, array-oriented, and concise programming language developed by Kenneth E. Iverson in the 1960s. APL is predominantly used for scientific computing, statistical analysis, and other complex mathematical applications due to its unique syntax and powerful capabilities. The U+2348 symbol, along with several other similar arrow symbols, facilitates concise expression of complex mathematical notations, aiding in the communication of intricate algorithms and functions within these domains.

How to type the symbol on Windows

Hold Alt and type 9032 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+2348. 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+2348 to binary: 00100011 01001000. 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 10001101 10001000