submission by jtoy
function setup(){
  var myCanvas = createCanvas(windowWidth,windowHeight); //you must keep this line unmodified
  stroke(255,0,0)
  line(width/2,0,width/2,height)
  line(0,height/2,width,height/2)
  translate(width/2,height/2)
  stroke(0,0,255)
  for(i=0;i<200;i++){
    point(i,1/(Math.pow(Math.E,i)))
    
    point(i,abs(1/i))

  }
}