typo exp 1

var rad =80;

var num = 20;

var angle = 0;

var letter = ['A','B','C','D','E','F','G','H','I','J','K','L','M','N','O','P','Q','R','S','T','U','V','W','X','Y','Z']

var lIndex = 0;

​

function setup() {

  createCanvas(windowWidth, windowHeight);

  background(100);

  angleMode(DEGREES);

​

}

​

function draw() {

  background(235);

  translate(width/2, height/2)

  textSize(40)

  for(var i = 0; i<num; i++){

      push();

      rotate(360/num*i )

      text(letter[lIndex%25], rad*sin( angle), rad*cos( angle));

      pop();

  }

  angle = angle + 1;

  if(frameCount%360 == 359){

    lIndex++;

  }

}