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Constant std::f64::consts::E

pub const E: f64 = 2.71828182845904523536028747135266250f64

Euler's number (e)

© 2010 The Rust Project Developers
Licensed under the Apache License, Version 2.0 or the MIT license, at your option.
https://doc.rust-lang.org/std/f64/consts/constant.E.html