         super.viewDidLoad()
         operationButtons = [divideButton, multiplyButton, minusButton, plusButton];
         tableView.register(UITableViewCell.self, forCellReuseIdentifier: cellIdentifier)
-        tableView.reloadData()
     }
     
     override var preferredStatusBarStyle : UIStatusBarStyle {

        return results.count
    }
    
    func tableView(_ tableView: UITableView, cellForRowAtIndexPath indexPath: IndexPath) -> UITableViewCell {
        let cell = tableView.dequeueReusableCell(withIdentifier: cellIdentifier)
        
        let result = results[results.count - 1 - (indexPath as NSIndexPath).row]

import UIKit
import CoreData

class ViewController: UIViewController, UITableViewDelegate, UITableViewDataSource {
    @IBOutlet weak var divideButton: CalculatorButton!
    @IBOutlet weak var multiplyButton: CalculatorButton!
    @IBOutlet weak var minusButton: CalculatorButton!
