OK, thank you.

I have change name from calcArea to totArea but i have = error

the code: import UIKit class ViewController: UIViewController {     @IBOutlet weak var larghezzaField: UITextField!          @IBOutlet weak var altezzaField: UITextField!          @IBOutlet weak var result: UILabel!          override func viewDidLoad() {         super.viewDidLoad()         // Do any additional setup after loading the view.     }        @IBAction func TotArea(_ sender: UIButton) {         if let L = Double(larghezzaField.text!) {             if let H = Double(altezzaField.text!) {                 result.text = String (L * H)             } else                 {result}         }     }     @IBAction func calcPerimetro(_ sender: UIButton) {     }     @IBAction func cancella(_ sender: UIButton) {     } }

Help me please… I’m blocked 😭

Is not error…

I resolved. Thank you

does anyone have the solution to solve this problem? I too have the same problem.