mwizerwas-calc-2/index.js

Learning how to use npm and express

module.exports.add = function add(num1,num2,num3,num4){
    return num1+num2+num3+num4
}
module.exports.sub =function sub(num1,num2){
    return num1-num2
}

module.exports.multiply = function multiply(num1,num2){
    return num1*num2
}