guillermoSb

; Factorial
(defun factorial (n)
  (if (= n 1)              
      1                           
      (* n (factorial (- n 1))))
) 

; Fibonacci
(defun fib (n)
   (if ( < n 2 ) 

guillermoSb

/**
 * Defines all the methods that a Stack should have.
 * @param <E> Type of the items stored on the Stack. Example: String
 */
public interface Stack<E> {
    /**
     * Add an item to the stack. Will be popped next.
     * @param item
     */
    public void add(E item);

guillermoSb

/**
 * Defines all the methods that a Radio should have.
 */
public interface Radio {
    /**
     * Get the current state of the radio.
     * @return boolean indicating if the Radio is on.
     */
    public boolean isOn();

guillermoSb

<ion-content padding hide-tabs class="welcome center_v">
  <div class="content">
    <h2 text-center padding>Welcome</h2>
  </div>
  
</ion-content>