BasicCalculator for extension

BasicCalculator.java

public class BasicCalculator {
	
	public float add(float a,float b)
	{
		return a+b;
	}
	
	public float subtract(float a,float b)
	{
		return a-b;
	}
	
	public float multiply(float a,float b)
	{
		return a*b;
	}
	
	public float divide(float a,float b)
	{
		return (float)a/b;
	}
	
	
	public float exponent(float a,float b)
	{
		
		return (float) Math.pow(a, b);
	}
	
	public float squareroot(float a)
	{
	return (float)Math.sqrt(a);
	}
	
	public float percentage(float a,float b)
	{
		
		return a*b/100;	
	}
	
	
	

}