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
The Fantastic All-Electric Music Movie The Fantastic All-Electric Music Movie The Fantastic All-Electric Music Movie, also known as "John Wilson's Mini Musicals", is an anthology of short animated music videos which were originally created by John Wilson for "The Sonny and Cher Show" during the early to mid-1970s. The film was released on home video in 1981 by Video Gems under license from Fine Arts Films, an animation company founded by John Wilson in 1955. As well as the sixteen animated music videos from the show, the film includes an animated short based on Igor Stravinski's "Petrushka". Animator John Wilson produced animated music video shorts