numbers.js

var num=10000;
num="";
var num2=10.57664444444;

var dec=10e10; // 100;

//console.log(dec);

num=(num*2)+3;
console.log(Math.sqrt(4));
// round up to the nearset integer
Math.round(10.5);  //11
Math.round(10.4);

// complex aggregates
var n=10;
//console.log(n++);
// the same as 
n+=1;

//

var st="my name is mahmoud";
var replacedString=st.replace('my','x');
//console.log(replacedString);

// substring
var st2=st.substr(3,3);
//console.log(st2);


//slice

console.log(st.slice(-3,-1));

//
var complexString="aAbCs";
 
/// printing the ASCII code of character 
console.log(st.charCodeAt(0));

console.log("the result of 10 divided by string",10/"x");


var boolX=true;

var retNumber=Boolean(1);