         
         textView.text = nil
         updateTextViewHeight()
-        sendButton.enabled = false
+        evalButton.enabled = false
         
         // Dispatch to be evaluated
         

    var tableView: UITableView!
    var toolBar: UIToolbar!
    var textView: UITextView!
    var sendButton: UIButton!
    var rotating = false
    var textFieldHeightLayoutConstraint: NSLayoutConstraint!
    var currentKeyboardHeight: CGFloat!

    
    func textViewDidChange(textView: UITextView) {
        updateTextViewHeight()
        evalButton.enabled = textView.hasText()
    }
    
    func keyboardWillShow(notification: NSNotification) {
