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
Samsung Electronics GmbH of Hannover, a design award for design materials and process technologies. In 2010, the German company selected a total of 42 products in the areas of home appliance, furniture, and industrial design. Samsung won the awards in five categories including external hard disk, full-touch screen phone, "side-by-side" refrigerator, compact digital camera, and laser printer toner. All Samsung mobile phones and MP3 players introduced on the market after April 2010 are free from polyvinyl chloride (PVC) and brominated flame retardants (BFRs). The company is listed in Greenpeace's Guide to Greener Electronics, which rates electronics companies on policies and practices to