☰
In std::f64::consts
?
Constant
std
::
f64
::
consts
::
E
1.0.0
·
source
·
[
−
]
pub const E:
f64
= 2.71828182845904523536028747135266250f64; // 2.7182818284590451f64
Expand description
欧拉数 (e)