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
The Electric Company June Angela. Due to the overwhelming—and somewhat unexpected—popularity of the initial DVD release, a second boxed set was released on November 14, 2006 ("The Best of the Electric Company: Volume 2"). This second volume contained 20 episodes from seasons one through five plus a 30-minute documentary on the effects of in-school viewings of "The Electric Company" from 1975. Cast members Luis Ávalos, Jim Boyd, Judy Graubart, Skip Hinnant, and Hattie Winston provided commentary and reflected on their years on the show. However, the original content of nine episodes presented in this set were altered. In some cases, material that was