Pi Value Calculation
object CollectionsDay2 {
println("Welcome to the Scala worksheet") //> Welcome to the Scala worksheet
val dx = 0.0001 //> dx : Double = 1.0E-4
// val x = Range.Double(0.0,1.0,dx)
// val y = x.map(v => 1.00/(1.00 + v * v))
// val pi = y.reduce(_+_)*dx *4
val pi = Range.Double(0.0,1.0,dx)
.map(v => 1.00/(1.00 + v * v))
.reduce(_+_)*dx *4
//> pi : Double = 3.14169265192314
}