#include <process.h>
#include <math.h>
#include <iomanip.h>
#include <iostream.h>

double func(double x)
{
	double t;
	t=bessj0( x);
	return t;
}

void main()
{
    //program d10r1
    //driver for routine scrsho
    cout<<  "Graph of the Bessel function J0:";
    cout<< endl;
    scrsho();
}