ZCW-MacroLabs-OOP-ScientificCalculator/Memory.java

public class Memory{
      
    double storage1 = 0;
      
    public void saveNumber(double value){
        storage1 = value;
    }
    
    public void clear(){
        storage1 = 0;
    }
    
    public double recall(){
        return storage1;
    }
}