Coding Conundrums 2.1: Crazy Times Tables

using System;

public class CrazyTables
{
    public static void Main(string[] args)
    {
        if(args.Length != 1)
        {
            Console.WriteLine("Use it like this: ");
            Console.WriteLine("    CrayTables.exe <float>");
            Console.WriteLine("\n<float>: The number to use when generating the times table.");
            return;
        }

        float number = float.Parse(args[0].Trim());

        if(number == 0 || number == 1)
        {
            Console.WriteLine("Invalid times table number.");
            return;
        }

        for(int i = 0; i < 12; i++)
        {
            Console.WriteLine("{0,2} times {1} is {2,2}", i + 1, number, (i + 1) * number);
        }
    }

    public static bool ValidateInput(float number)
    {
        if (number == 0 || number == 1)
            return false;
        else
            return true;
    }
}