Sqr(100) = 10.000000000000000
Sin(90)  = 1.0000000000000000
Sin(45)  = 0.70710678118654746
Cos(90)  = 6.1232339957367660e-17
Cos(45)  = 0.70710678118654757
Tan(45)  = 0.99999999999999989
Tan(100) = -5.6712818196177111
ASin(90) = nan
ASin(45) = nan
ACos(90) = nan
ACos(45) = nan
ATan(45) = 88.726969979943291
ATan(100)= 89.427061302316517
ATan2(3, 4)= 36.869897645844020
Tanh(33) = 1.0000000000000000
Exp(15) = 3269017.3724721107
Log(20) = 2.9957322735539909
Log10(25) = 1.3979400086720377
Ceil(355.5) = 356.00000000000000
Floor(355.5) = 355.00000000000000