adding machine

• Dispositivo mecânico ou eletrônico antigo usado para realizar operações aritméticas simples, hoje amplamente substituído por calculadoras digitais e computadores.

A mechanical or early electronic device used for performing simple arithmetic operations, now largely replaced by digital calculators and computers.

1. Historical calculating deviceB2formal

   A mechanical or early electronic device used to perform simple arithmetic operations, primarily addition and subtraction.

   Máquina de somar

   • The accountant used an adding machine to tally the day's receipts.
   • Before computers, offices relied on adding machines for calculations.
   • The museum displayed a vintage adding machine from the 1950s.