sreejitha-app/index.js

A simple application to start with.

var Calculator=function(){};
 Calculator.prototype.add=function(a,b){
     return a+b;
 }
 Calculator.prototype.sub=function(a,b){
    return a-b;
}
Calculator.prototype.mul=function(a,b){
    return a*b;
}
Calculator.prototype.div=function(a,b){
    return a/b;
}
module.exports=new Calculator();