Simple Calculator.

Simple Calculator.

abstract class SimpleCalculator
{
abstract void addition();
abstract void subtraction();
abstract void division();
abstract void multiplication();
abstract void square();
abstract void squareroot();

}

class ScientificCalculator extends SimpleCalculator
{
void addition()
{
System.out.println("Here perform Simple Addition....");

}
void subtraction()
{
System.out.println("Here perform Simple subtraction....");
}
void division()
{
System.out.println("Here perform Simple division....");
}

void multiplication()
{
System.out.println("Here perform Simple multiplication....");
}

void square()
{
System.out.println("Here perform Square....");
}

void squareroot()
{
System.out.println("Here perform Squareroot....");
}

//other functionality
void trigonometricFunction()
{
System.out.println("Click here for sin ,cos, tan & all functionss.....");
}

public static void main(String arg[])
{
ScientificCalculator ob=new ScientificCalculator();
ob.addition();
ob.subtraction();
ob.multiplication();
ob.division();
ob.square();
ob.squareroot();
ob.trigonometricFunction();


}

}

Output: