         // Dispose of any resources that can be recreated.
     }
 
-    func createNumberView(top: CGFloat, width: CGFloat, height: CGFloat) {
+    func createInputView(top: CGFloat, width: CGFloat, height: CGFloat) {
         let layout: UICollectionViewFlowLayout = UICollectionViewFlowLayout()
-        layout.sectionInset = UIEdgeInsets(top: top, left: 0, bottom: 0, right: width+1.0)
+        layout.sectionInset = UIEdgeInsets(top: top, left: 0, bottom: 0, right: 0)
         layout.itemSize = CGSize(width: width, height: height)
         layout.minimumInteritemSpacing = 1.0
         layout.minimumLineSpacing = 1.0

        //cell.imageView?.image = UIImage(named: "background-operator")

        return cell
    }

    func createOperatorView(top: CGFloat, width: CGFloat, height: CGFloat) {
        let layout: UICollectionViewFlowLayout = UICollectionViewFlowLayout()
        layout.sectionInset = UIEdgeInsets(top: top, left: 0, bottom: 0, right: width+1.0)
        layout.itemSize = CGSize(width: width, height: height)
        layout.minimumInteritemSpacing = 1.0
        layout.minimumLineSpacing = 1.0
        collectionView = UICollectionView(frame: self.view.frame, collectionViewLayout: layout)
        collectionView!.dataSource = self
        collectionView!.delegate = self
        collectionView!.registerClass(CollectionViewCell.self, forCellWithReuseIdentifier: "CollectionViewCell")
        collectionView!.backgroundColor = UIColor.blueColor()
        self.view.addSubview(collectionView!)
    }

    /*

        // let _margin_top = CGFloat(20.0) + _view_height * 0.325
        let marginTop = viewHeight - (cellHeight * 5 + 4)

        createInputView(marginTop, width: cellWidth, height: cellHeight)
    }


