(labels ((make-button (&rest options)
           (new (dijit.form.*button (object-from-list options)))))
  (let* ((result-number-node (document.create-text-node "0"))
         (mod-result-value
          (let ((x 0))
            (lambda (modifier)
              (setf x (modifier x)) (setf result-number-node.node-value (.to-string x))))))
    (creation
     :div
     (list
      (document.create-text-node "(Press some buttons to add math operations and apply them)")
      (table-creation (list (tr (list (td (document.create-text-node "Calculation Accumulator:"))
                                      (td (progn result-number-node))))))
      (table-creation
       (append
        (map
         (lambda (op)
           (destructuring-bind (op-string op-func) op
             (let* ((var-table (table-creation (list (tr ))))
                    (get-var-table-row (lambda () (aref (slot-value (aref var-table.t-bodies 0) 'rows) 0)))
                    (add-button-id (get-new-label))
                    (del-button-id (get-new-label))
                    (add-button
                     (make-button
                      :id add-button-id :label "Add"
                      :on-click
                      (lambda ()
                        (let ((num (+ (slot-value (slot-value (get-var-table-row) 'cells) 'length) 1))
                              (click-count 0)
                              (click-count-text (document.create-text-node "0")))
                          (.append-child
                           (.insert-cell (get-var-table-row) -1)
                           (table-creation
                            (list
                             (trd (progn click-count-text))
                             (trd
                              (slot-value
                               (make-button
                                :label (+ op-string " " (.to-string num))
                                :on-click
                                (lambda ()
                                  (mod-result-value (rcurried op-func num))
                                  (incf click-count)
                                  (setf click-count-text.node-value (.to-string click-count))))
                               'dom-node))))))
                        (.set (dijit.by-id del-button-id) "disabled" (not t)))))
                    (del-button
                     (make-button
                      :id del-button-id :disabled t :label "Del" :on-click
                      (lambda ()
                        (.delete-cell (get-var-table-row) -1)
                        (when (== (slot-value (slot-value (get-var-table-row) 'cells) 'length) 0)
                          (.set (dijit.by-id del-button-id) "disabled" t))))))
               (tr
                (list
                 (td (document.create-text-node op-string))
                 (td (table-creation (list (trd (slot-value add-button 'dom-node)) (trd (slot-value del-button 'dom-node)))))
                 (td (progn var-table)))))))
         #.`(list ,@(mapcar (lambda (op) `(list ,(string op) (lambda (a b) (,op a b)))) '(+ - * /))))))))))