Step 1: Determine the UTF-8 encoding bit layout
The character ≈ has the Unicode code point U+2248. 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+2248 to binary:
00100010 01001000
. 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 10001001 10001000
ALMOST EQUAL TO·U+2248
Character Information
Character Representations
Click elements to copyEncoding | Hex | Binary |
---|---|---|
UTF8 | E2 89 88 | 11100010 10001001 10001000 |
UTF16 (big Endian) | 22 48 | 00100010 01001000 |
UTF16 (little Endian) | 48 22 | 01001000 00100010 |
UTF32 (big Endian) | 00 00 22 48 | 00000000 00000000 00100010 01001000 |
UTF32 (little Endian) | 48 22 00 00 | 01001000 00100010 00000000 00000000 |
Description
The Unicode character U+2248 represents the "Almost Equal To" symbol (≊) in digital text. This mathematical symbol is often used in proofs and mathematical expressions to denote an approximation or near equality between two values, quantities, or expressions. The Almost Equal To sign is particularly helpful in the fields of mathematics, physics, and engineering where precise numerical results are not always achievable due to limitations or tolerances in measurements. Although it is a relatively less-known symbol compared to its counterparts like "=" (Equal To), "<" (Less Than) and ">" (Greater Than), it plays a crucial role in ensuring the accuracy of calculations and results, especially when dealing with approximations. The usage of U+2248 is quite specific, but it holds great importance in its context, serving as a valuable tool for professionals and students alike in various disciplines.
How to type the ≈ symbol on Windows
Hold Alt and type 8776 on the numpad. Or use Character Map.