text: 
  var result;
  var textPos_X;
  var textPos_Y;
  function setup() {
    createCanvas(800,600);
    textPos_X = width * 0.5;
    textPos_Y = height * 0.5;
  
    frameRate(2);
  
  }
  
  
  result = 100;
  
  function draw() {
    background(40, 70, 245);
  
    // DO SOME MATH
  
    // result--;
    // result = result * 0.5;
    // Equivelant
    result *= 0.5;
  
    // display math results
    textSize(36);
    fill(255);
    text(result, textPos_X, textPos_Y);
  
  }
  