U+2230 Volume Integral
U+2230 was added in Unicode version 1.1 in 1993. It belongs to the block
This character is a Math Symbol and is commonly used, that is, in no specific script.
The glyph is a compatibility composition of the glyphs
The Wikipedia has the following information about this codepoint:
In mathematics (particularly multivariable calculus), a volume integral (∭) is an integral over a 3dimensional domain; that is, it is a special case of multiple integrals. Volume integrals are especially important in physics for many applications, for example, to calculate flux densities, or to calculate mass from a corresponding density function.
Representations
System  Representation 

Nº  8752 
UTF8  E2 88 B0 
UTF16  22 30 
UTF32  00 00 22 30 
URLQuoted  %E2%88%B0 
HTML hex reference  ∰ 
Wrong windows1252 Mojibake  âˆ° 
HTML named entity  ∰ 
L^{A}T_{E}X  \volintegral 
Related Characters
Confusables
Elsewhere
Complete Record
Property  Value 

1.1 (1993)  
VOLUME INTEGRAL  
—  
Mathematical Operators  
Math Symbol  
Common  
Other Neutral  
Not Reordered  
compatibility  


✘  




✘  










✘  
✘  
✘  
✔  
✘  
✘  
✘  
✘  
✔  
✘  
✘  
✘  
✘  
✘  
✘  
✘  
✘  
✘  
✘  
✘  
✘  
✘  
✘  
✘  
✘  


Any  
✔  
✘  
✘  
✘  
✘  
✘  
✘  
✘  
✘  
0  
0  
0  
✘  
None  
—  
NA  
Other  
—  
✘  
✘  
✔  
✘  
Yes  
Yes  


No  


No  
✘  
✘  
✘  
✘  
✘  
✘  
✘  
✘  
✘  
✔  
✘  
✘  
✘  
✘  
Other  
✘  
✘  
✘  
✘  
✘  
Other  
✘  
✘  
✘  
✘  
✘  
✔  
✔  


None  
neutral  
Not Applicable  
—  
No_Joining_Group  
Non Joining  
Alphabetic  
none  
not a number  


R 