Comparable geared devices did not emerge in Europe until the 16th century, and it was not until 1645 that the first mechanical calculator capable of performing the four basic arithmetical operations was developed.
Dispositivos con engrenaxes comparables non apareceron en Europa ata o século XVI, e non foi ata o 1745 que se desenvolveu a primeira calculadora mecánica capaz de resolver as catro operacións aritméticas básicas.