using System;
using System.ComponentModel;
using System.Linq;
class MainClass
{
static void Main()
{
var collection = Enumerable.Range(0, 10)
.Where(x => x % 2 != 0)
.Reverse()
.Select(x => new { Original = x, SquareRoot = Math.Sqrt(x) });
foreach (var element in collection)
{
Console.WriteLine("sqrt({0})={1}",
element.Original,
element.SquareRoot);
}
}
}