BigInteger calculation « BigInteger « Essential Types

BigInteger overloads all the arithmetic operators, as well as the comparison, equality, modulus (%), and negation operators.


using System;
using System.Numerics;

class Sample
{
    public static void Main()
    {
        BigInteger b = BigInteger.Pow(10, 20);

        Console.WriteLine(b * b);
    }
}


10000000000000000000000000000000000000000


using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Numerics;

class MainClass
{
    static void Main(string[] args)
    {
        // Create a new big integer. 
        BigInteger myBigInt = BigInteger.Multiply(Int64.MaxValue, 2);
        // Add another value. 
        myBigInt = BigInteger.Add(myBigInt, Int64.MaxValue);
        // Print out the value. 
        Console.WriteLine("Big Integer Value: {0}", myBigInt);

        // Wait to continue. 
        Console.WriteLine("\n\nMain method complete. Press Enter");
        Console.ReadLine();
    }
}


Big Integer Value: 27670116110564327421