public static void Main()
double[] numbers = new double[] {5, 3, 11, 99, 2, -3, 8, 10, 64};
Console.WriteLine(LowestNumber(numbers));
static double LowestNumber(double[] inputArray)
double currentLowestNumber = inputArray[0];
for(int i = 0; i < inputArray.Length; i++)
if (inputArray[i] < currentLowestNumber)
currentLowestNumber = inputArray [i];
return currentLowestNumber;