text: // Numbers
  
  let age = 18
  const PI = 3.14
  
  console.log(age, PI);
  
  
  // Working with built-in Math library.
  
  console.log(Math.round(PI))     // round values
  console.log(Math.floor(PI))     // round down
  console.log(Math.ceil(PI))      // round up
  
  console.log(Math.min(-5, -2, 0, 3, 5));     // returns the min value
  console.log(Math.max(-5, -2, 0, 3, 5));     // returns the max value
  
  
  console.log(Math.PI);   // value of PI
  console.log(Math.E);    // Value of E
  
  console.log(Math.abs(-5))   //5
  console.log(Math.sqrt(25)); //5
  console.log(Math.pow(2,3)); //2 power 3 = 8
  
  console.log(Math.log(2));
  console.log(Math.sin(60));
  console.log(Math.cos(30));
  
  
  // Random number generation
  let randomNum = Math.random()       // creates a number between 0 to 0.99
  let numBtnZeroAndTen = randomNum * 11;  // this gives min : 0 and max : 10.99
  
  console.log(Math.floor(numBtnZeroAndTen))   // this gives number between 0 to 10.
  
  
  
  