ASinHMBS(x as Double) as Double

Type	Topic	Plugin	Version	macOS	Windows	Linux	iOS	Targets
global method	Math	MBS Util Plugin		✅ Yes	✅ Yes	✅ Yes	✅ Yes	All

This function computes the principal value of the arc sine of x in the range [-pi/2, +pi/2].

Example

MsgBox str(ASinHMBS(5))

asin(+-0) returns +-0.
asin(x) returns a NAN for |x| > 1.