W3cubDocs

/Dart 2

dart:math

sqrt1_2 top-level constant

const sqrt1_2 = 0.7071067811865476

Square root of 1/2.

Implementation 

const double sqrt1_2 = 0.7071067811865476

© 2012 the Dart project authors
Licensed under the Creative Commons Attribution-ShareAlike License v4.0.
https://api.dartlang.org/stable/2.0.0/dart-math/sqrt1_2-constant.html