Q:

Write a C# Sharp program to find the value of PI up to n (given number) decimals places

hamza
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2022-05-18
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Write a C# Sharp program to find the value of PI up to n (given number) decimals places. 
The number π (/paɪ/) is a mathematical constant. It is defined as the ratio of a circle's circumference to its diameter, and it also has various equivalent definitions. It appears in many formulas in all areas of mathematics and physics. The earliest known use of the Greek letter π to represent the ratio of a circle's circumference to its diameter was by Welsh mathematician William Jones in 1706. It is approximately equal to 3.14159. It has been represented by the Greek letter "π" since the mid-18th century, and is spelled out as "pi". It is also referred to as Archimedes' constant.
Expected Output:
Value of PI up to 2 decimals places -> 3.14
Value of PI up to 7 decimals places -> 3.1415927
Value of PI up to 15 decimals places -> 3.141592653589793

c# programming, Programming,
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hamza
2022-05-18
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using System;
using System.Linq;
namespace exercises
{
    class Program
    {
        static void Main(string[] args)
        {
            int n = 2;
            Console.WriteLine("Value of PI up to "+ n + " decimals places -> " + test(n));
            n = 7;
            Console.WriteLine("\nValue of PI up to " + n + " decimals places -> " + test(n));
            n = 15;
            Console.WriteLine("\nValue of PI up to " + n + " decimals places -> " + test(n));
        }
        public static decimal test(int n)
        {
            return decimal.Round(3.1415926535897931m, n);
        }
    }
}

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