The glyph is not a composition. Its width in East Asian texts is determined by its context. It can be displayed wide or narrow. In bidirectional text it is written from left to right. When changing direction it is not mirrored. The word that U+03A0 forms with similar adjacent characters prevents a line break inside it. The glyph can be confused with 10 other glyphs.
The Wikipedia has the following information about this codepoint:
Pi (π) is a mathematical constant equal to a circle's circumference divided by its diameter.
Pi, π or Π may also refer to:
Representations
System
Representation (click value to copy)
Nº
928
UTF-8
CE A0
UTF-16
03 A0
UTF-32
00 00 03 A0
URL-Quoted
%CE%A0
HTML hex reference
Π
Wrong windows-1252 Mojibake
Î
HTML named entity
Π
Encoding: BIG5 (hex bytes)
A3 53
Encoding: BIG5HKSCS (hex bytes)
A3 53
Encoding: CP737 (hex bytes)
8F
Encoding: CP869 (hex bytes)
C6
Encoding: CP875 (hex bytes)
57
Encoding: CP932 (hex bytes)
83 AE
Encoding: CP949 (hex bytes)
A5 D0
Encoding: CP950 (hex bytes)
A3 53
Encoding: CP1253 (hex bytes)
D0
Encoding: EUC_JP (hex bytes)
A6 B0
Encoding: EUC_JIS_2004 (hex bytes)
A6 B0
Encoding: EUC_JISX0213 (hex bytes)
A6 B0
Encoding: EUC_KR (hex bytes)
A5 D0
Encoding: GB2312 (hex bytes)
A6 B0
Encoding: GBK (hex bytes)
A6 B0
Encoding: GB18030 (hex bytes)
A6 B0
Encoding: HZ (hex bytes)
7E 7B 26 30 7E 7D
Encoding: ISO2022_JP (hex bytes)
1B 24 42 26 30 1B 28 42
Encoding: ISO2022_JP_1 (hex bytes)
1B 24 42 26 30 1B 28 42
Encoding: ISO2022_JP_2 (hex bytes)
1B 24 42 26 30 1B 28 42
Encoding: ISO2022_JP_2004 (hex bytes)
1B 24 42 26 30 1B 28 42
Encoding: ISO2022_JP_3 (hex bytes)
1B 24 42 26 30 1B 28 42
Encoding: ISO2022_JP_EXT (hex bytes)
1B 24 42 26 30 1B 28 42
Encoding: ISO2022_KR (hex bytes)
1B 24 29 43 0E 25 50 0F
Encoding: ISO8859_7 (hex bytes)
D0
Encoding: JOHAB (hex bytes)
DB 60
Encoding: MAC_GREEK (hex bytes)
A6
Encoding: SHIFT_JIS (hex bytes)
83 AE
Encoding: SHIFT_JIS_2004 (hex bytes)
83 AE
Encoding: SHIFT_JISX0213 (hex bytes)
83 AE
Encoding: CP875 (hex bytes)
57
LATEX
\Pi
Adobe Glyph List
Pi
digraph
P*
RFC 5137
\u'03A0'
Bash and Zsh inside echo -e
\u03A0
C and C++
\u03A0
C#
\u03A0
CSS
\0003A0
Excel
=UNICHAR(928)
Go
\u03A0
JavaScript
\u03A0
Modern JavaScript since ES6
\u{3a0}
JSON
\u03A0
Java
\u03A0
Lua
\u{3A0}
Matlab
char(928)
Perl
"\x{3A0}"
PHP
\u{3a0}
PostgreSQL
U&'\03A0'
PowerShell
`u{3A0}
Python
\u03A0
Ruby
\u{3a0}
Rust
\u{3a0}
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