Step 1: Determine the UTF-8 encoding bit layout
The character − has the Unicode code point U+2212. 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+2212 to binary:
00100010 00010010. 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 10001000 10010010
MINUS SIGN·U+2212
−
Character Information
Code Point
U+2212
HEX
2212
Unicode Plane
Basic Multilingual Plane
Category
Math Symbol
Character Representations
Click elements to copy| Encoding | Hex | Binary |
|---|---|---|
| UTF8 | E2 88 92 | 11100010 10001000 10010010 |
| UTF16 (big Endian) | 22 12 | 00100010 00010010 |
| UTF16 (little Endian) | 12 22 | 00010010 00100010 |
| UTF32 (big Endian) | 00 00 22 12 | 00000000 00000000 00100010 00010010 |
| UTF32 (little Endian) | 12 22 00 00 | 00010010 00100010 00000000 00000000 |
HTML Entity
−
URI Encoded
%E2%88%92
Description
The Unicode character U+2212 is known as the Minus Sign, which is represented by the symbol "-". This character plays a crucial role in various aspects of digital text processing and calculations, including arithmetic operations, mathematical equations, and programming languages. In the context of typography, it is commonly used to indicate subtraction or negative values. The Minus Sign's significance extends beyond human language, as it is also employed in scientific notation, engineering, and data analysis. Its precise usage varies based on the specific field or discipline. U+2212 is a vital component of clear communication and error-free computation across numerous industries and academic fields.
How to type the − symbol on Windows
Hold Alt and type 8722 on the numpad. Or use Character Map.