math-tau
See tauday.com.
Usage
>> require 'math/tau'
>> Math::TAU
=> 6.283185307179586
>> require 'bigdecimal/math/tau'
>> BigMath.TAU(42).to_s
=> "0.62831853071795864769252867665590057683943387987502116419498752479875898091728E1"
Project
See tauday.com.
>> require 'math/tau'
>> Math::TAU
=> 6.283185307179586
>> require 'bigdecimal/math/tau'
>> BigMath.TAU(42).to_s
=> "0.62831853071795864769252867665590057683943387987502116419498752479875898091728E1"