In order to use the wifi here, i had to connect to the network and then be accepted

Explanation:

The following calculator class written in Java has all the methods and variables requested in the question, each completing their own specific function to the member variable.

class Calculator {

   private double member;

   public Calculator() {

       this.member = 0.0;

   }

   public void add(double val) {

       this.member += val;

   }

   public void subtract(double val) {

       this.member -= val;

   }

   public void multiply(double val) {

       this.member *= val;

   }

   public void divide(double val) {

       this.member /= val;

   }

   public void clear() {

       this.member = 0.0;

   }

   public double getValue() {

       return this.member;

   }

}