The Evolution of Electronic Calculators

The podcast discusses the transition from mechanical to electronic calculators. The Casio 14A, an early electronic calculator, used relays as switches and was the size of a desk. It was followed by the Sumlock Anita, a silent calculator that utilized vacuum tubes as switches. As technology advanced, calculators became smaller, cheaper, and more popular. The HP35 was the first pocketable scientific calculator and sparked a consumer frenzy. Calculator watches, calculator-equipped digital clocks, and even calculators with cigarette lighters were introduced. Although physical calculators have become less common, the need for calculations persists through calculator apps and spreadsheet software.