stats.jl

# mathematical constants related to statistics

@irrational twoπ   6.2831853071795864769 2 * big(π)
@irrational fourπ  12.566370614359172954 4 * big(π)
@irrational halfπ  1.5707963267948966192 big(π) / 2
@irrational quartπ 0.7853981633974483096 big(π) / 4

@irrational invπ     0.31830988618379067154 inv(big(π))
@irrational twoinvπ  0.63661977236758134308 2 / big(π)
@irrational fourinvπ 1.27323954473516268615 4 / big(π)
@irrational inv2π    0.159154943091895335769 inv(2 * big(π))
@irrational inv4π    0.079577471545947667884 inv(4 * big(π))

@irrational sqrt2     1.4142135623730950488 sqrt(big(2))
@irrational sqrt3     1.7320508075688772935 sqrt(big(3))
@irrational sqrtπ     1.7724538509055160273 sqrt(big(π))
@irrational sqrt2π    2.5066282746310005024 sqrt(2 * big(π))
@irrational sqrt4π    3.5449077018110320546 sqrt(4 * big(π))
@irrational sqrthalfπ 1.2533141373155002512 sqrt(big(π) / 2)

@irrational invsqrt2  0.7071067811865475244 inv(sqrt(big(2)))
@irrational invsqrtπ  0.5641895835477563 inv(sqrt(big(π)))
@irrational invsqrt2π 0.3989422804014326779 inv(sqrt(2 * big(π)))

@irrational loghalf -0.6931471805599453094 log(inv(big(2)))
@irrational logtwo  0.6931471805599453094 log2
@irrational logten  2.302585092994046 log(big(10))
@irrational logπ    1.1447298858494001741 log(big(π))
@irrational log2π   1.8378770664093454836 log(2 * big(π))
@irrational log4π   2.5310242469692907930 log(4 * big(π))

@irrational invℯ    0.367879441171442321595 inv(big(ℯ))
const inve = invℯ # ASCII alias