#!/usr/bin/swift

import Foundation

print("Simple Test\nDecimal\t\tFormatted")

let nf = NumberFormatter()
nf.locale = Locale(identifier: "en_US")
nf.numberStyle = .decimal
nf.minimumFractionDigits = 2
nf.maximumFractionDigits = 2

let x = Decimal(10.5)
let y = Decimal(9.0)
let z = Decimal(1.5)

let a = x - y - z
let b = x - z - y

print("x=Decimal(10.5):Formatted \(nf.string(from: NSDecimalNumber(decimal:x)) ?? "")")
print("y=Decimal(9.0):\tFormatted \(nf.string(from: NSDecimalNumber(decimal:y)) ?? "")")
print("z=Decimal(1.5):\tFormatted \(nf.string(from: NSDecimalNumber(decimal:z)) ?? "")")
print("x - y - z = \(a):\tFormatted \(nf.string(from: NSDecimalNumber(decimal:a)) ?? "")")
print("x - z - y = \(b):\tFormatted \(nf.string(from: NSDecimalNumber(decimal:b)) ?? "")")

Simple Test
Decimal Formatted 
x=Decimal(10.5):Formatted 10.50 
y=Decimal(9.0): Formatted 9.00 
z=Decimal(1.5): Formatted 1.50 
x - y - z = 0: Formatted 1.50 
x - z - y = 0: Formatted 9.00

Simple Test 
Decimal Formatted 
x=Decimal(10.5):Formatted 10.50 
y=Decimal(9.0): Formatted 9.00 
z=Decimal(1.5): Formatted 1.50 
x - y - z = 0: Formatted 0.00 
x - z - y = 0: Formatted 0.00