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
All Over the World (Electric Light Orchestra song) All Over the World (Electric Light Orchestra song) "All Over the World" is a song by the Electric Light Orchestra (ELO). It is featured in the 1980 feature film "Xanadu" in a sequence with the film's stars Olivia Newton-John, Gene Kelly, and Michael Beck. The song also appears on the soundtrack album "Xanadu", and was performed in the 2007 Broadway musical "Xanadu". Released after the single "Xanadu" (a collaboration with Olivia Newton-John), this was the third Top 20 ELO single released from the 1980 soundtrack, peaking at number 13 on the US "Billboard" Hot 100. The sequence in the "Xanadu"