What ϒ means
Use it in formulas, not Greek spelling.
This technical hooked upsilon symbol is distinct from ordinary Greek Υ. Its role in an equation comes from the surrounding notation.
Why does ϒ look different in my document?
The font controls its outline and support.
A typeface may draw the hook differently or omit ϒ.
Part of the collection
Who writes ϒ
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Don't confuse it with
2
Questions people ask
1Why does ϒ show as a box on some devices?
Because that device's fonts have no glyph for it. The character is still correct and still copies correctly — the box is a missing glyph, not a broken character.
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12
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ЃCyrillic Capital Letter Gje
ЄCyrillic Capital Letter Ukrainian IeHow to type or find ϒ
- Also called
- upsih
- Search it as
- hooked upsilon · upsilon symbol · math upsilon · ϒ vs Υ · upsih LaTeX · upsih HTML entity
- Shows up in
- Anything that takes text · its shape is whatever your font draws
Windows (Word)
Windows
HTML
ϒCSS
\03D2LaTeX
In LuaLaTeX, load fontspec and choose a font containing ϒ; enter the Unicode character directly.
HTML
The named upsih entity is
ϒ; the numeric reference is ϒ.Codes and encoding1 code points
HTML decimal
ϒ
HTML hex
ϒ
CSS content
content: "\03D2";
Each escape is closed by the next backslash; a trailing space is needed before a literal hex digit.
URL encoded
%CF%92
1
On screen
1
Code points
1
JS .length
2
UTF-8 bytes
A visible symbol can contain several code points. JS .length counts UTF-16 units; UTF-8 counts bytes.