Write a program to check all the math class functions.?

♣♣♣ WRITE A PROGRAM TO CHECK ALL THE MATH CLASS FUNCTIONS. ♣♣♣

import java.io.*;

class pro10

        {

                public static void main(String ar[]) throws IOException

                {

                       InputStreamReader a =new InputStreamReader(System.in);

                       BufferedReader b=new BufferedReader(a);

                       System.out.println("\n\n\t\t  ****** Mathematical Functions ***** \n");

                       System.out.println("\n\t\t-----------------------------------------\n");

                       System.out.println("\n\n\t\t\t<== Exponential Functions ==>\n");

                       System.out.println("\n\t\t\t-----------------------------\n");

                       System.out.println("\n\tExponential Value = "+Math.exp(3));

                       System.out.println("\n\tpower Value = "+Math.pow(2,2));

                       System.out.println("\n\n\t\t\t<== Trignometrical Functions ==>\n");

                       System.out.println("\n\t\t\t--------------------------------\n");

                       System.out.println("\n\t sin Value = "+Math.sin(30));

                       System.out.println("\n\t cos Value = "+Math.cos(30));

                       System.out.println("\n\t tan Value = "+Math.tan(30));

                       System.out.println("\n\t cot Value = "+Math.atan(30));

                       System.out.println("\n\t <== Ordinary Mathematical Functions ==>\n");

                       System.out.println("\n\t\t\t---------------------------------------\n");

                       System.out.println("\n\tAbsolute Value = "+Math.abs(-30));

                       System.out.println("\n\tRound Value = "+Math.abs(10.456));

                       System.out.println("\n\tCeil Value = "+Math.ceil(10.4));

                       System.out.println("\n\tFloor Value = "+Math.floor(10.456));

                       System.out.println("\n\tSquare Root Value = "+Math.sqrt(9));

                }

        }

OUTPUT :-

                        ****** Mathematical Functions *****

                   -------------------------------------------------------

<== Exponential Functions ==>

                        ---------------------------------------

            Exponential Value = 20.085536923187668

            Power Value  = 4.0

                        <== Trignometrical Functions ==>

                        ------------------------------------------

            Sin Value = -0.9880316240928618

            Cos Value = 0.15425144988758405

            Tan Value =  -6.405331196646276

            Cot Value = 1.5374753309166493

                        <== Ordinary Mathematical Functions ==>

                        ----------------------------------------------------

            Absolute Value = 30

Round Value = 10.456

Floor Value    = 10.0

Square Root Value = 3.0