∬
∬
U+222C
,
∬
DOUBLE INTEGRAL
←
∫
[U+222B]
Mathematical Operators
∭
→
[U+222D]
Translingual
Symbol
∬
(
mathematics
)
double
integral
(an integral over two variables).
Related terms
∫
∭
⨌
∮
∯
∰
∱
⨑
∲
∳
⨐
See also
Double integral
on Wikipedia.
Wikipedia