package ac.essex.graphing.charts.continuous; 
 
import ac.essex.graphing.plotting.ContinuousFunctionPlotter; 
 
/** 
 * Formula for plotting a circle: x squared + y squared = radius squared 
 */ 
public class Circle1 extends ContinuousFunctionPlotter { 
 
    public String getName() { 
        return "Circle"; 
    } 
 
    public double getY(double x) { 
        return (x * x); 
    } 
}