Calculator This led the way to the first credit-card-sized calculators, such as the Casio "Mini Card LC-78" of 1978, which could run for months of normal use on button cells. There were also improvements to the electronics inside the calculators. All of the logic functions of a calculator had been squeezed into the first "calculator on a chip" integrated circuits (ICs) in 1971, but this was leading edge technology of the time and yields were low and costs were high. Many calculators continued to use two or more ICs, especially the scientific and the programmable ones, into the late 1970s. The
SABA (electronics manufacturer) manufacturing of headphones, radio parts, and a variety of products from radio components to receivers. In 1931, SABA produced more than 100,000 units of the SABA Radio Type S-35. It introduced for the first time on the market dynamic loudspeakers which became soon a bestseller. The company developed the first radio receiver with search and automatic fine tuning in all bandwidths. In 1951 IFA, a consumer industry electronics show in Berlin allowed SABA to show the first TV receiver to the world. SABA successes enabled the company to manufacture tape recorders. It introduced the large TV screen projector 'Telerama' on