Math C#

Random rnd = new Random();
int number  = rnd.Next(1, 10);
int random_number = new Random().Next(1, 10) // Generates a number between 1 to 10
Random rnd = new Random();
int month  = rnd.Next(1, 13);  // creates a number between 1 and 12
int dice   = rnd.Next(1, 7);   // creates a number between 1 and 6
int card   = rnd.Next(52);     // creates a number between 0 and 51
Random rnd = new Random();
int value = rnd.Next(min,max);
Console.Write(value); //Write - text continues after shown variable, WriteLine - sets line and continues in new line
using System;

namespace Any_function
{
    internal class Program
    {
        static void Main(string[] args)
        {
            Random rnd = new Random();
            int value = rnd.Next(0, 100);
            Console.WriteLine(value);
            
        }
    }
}
WriteLine
Write
Math.Max(5, 10);
Math.Min(5, 10);
Math.Sqrt(64);
Math.Abs(-4.7);
//Output 4.7
Math.Round(9.99); //10 , Math.Round(9.99, 2); round till 2nd number after coma