Lab4_Multiple_table

int n=1;
void setup() {
  size(150, 350);
}
void draw() {
  frameRate(10);//make it slow
  background(0);
  cal_result();
  if (keyPressed) {/// can change the number///
    if (key=='w') {
      n=n+1;
    } else if (key=='s')
      n=n-1;
  }
}
void cal_result() {//////// calculation function///////
  int count=12;
  int mN=1;
  int posY=70;
  fill(255);
  textSize(15);
  text("Multiple Table", 20, 40);
  while (mN<=count) {
    int ans=n*mN;
    textSize(12);
    text(n+" x "+mN+" = "+ans, 20, posY);
    posY=posY+20;
    mN=mN+1;
  }
}