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
Young Electric Sign Company and lighting service franchises in states east of Colorado and throughout Canada. In 2015 Young Electric Sign Company sold YESCO Electronics, a subsidiary company, to Samsung Electronics of America, Inc. NBC ushered in the millennium with a new YESCO “message globe” in its NBC Experience store, located at Rockefeller Center in New York City. The electronic sign quickly became recognized as one of the most distinctive electronic displays in the world. From the outside of the building, it looks like a brilliant illuminated globe. The 35’-diameter hemisphere is covered with thousands of full-color LEDs. Colorful video and special effects, along