This package defines the following irrational constants:
twoπ # 2π
fourπ # 4π
halfπ # π / 2
quartπ # π / 4
invπ # 1 / π
twoinvπ # 2 / π
fourinvπ # 4 / π
inv2π # 1 / (2π)
inv4π # 1 / (4π)
sqrt2 # √2
sqrt3 # √3
sqrtπ # √π
sqrt2π # √2π
sqrt4π # √4π
sqrthalfπ # √(π / 2)
invsqrt2 # 1 / √2
invsqrtπ # 1 / √π
invsqrt2π # 1 / √2π
loghalf # log(1 / 2)
logtwo # log(2)
logten # log(10)
logπ # log(π)
log2π # log(2π)
log4π # log(4π)