Calculator for example, solve quadratic equations symbolically. The first graphing calculator was the Casio fx-7000G released in 1985. The two leading manufacturers, HP and TI, released increasingly feature-laden calculators during the 1980s and 1990s. At the turn of the millennium, the line between a graphing calculator and a handheld computer was not always clear, as some very advanced calculators such as the TI-89, the Voyage 200 and HP-49G could differentiate and integrate functions, solve differential equations, run word processing and PIM software, and connect by wire or IR to other calculators/computers. The HP 12c financial calculator is still produced. It was
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