My dad was a mathematics teacher at Sartell High School and was also really into computing and programming. I remember learning BASIC with him on our Apple IIe and also programming our TI-99/4A. (To save a program on the TI, we had to hook up an external tape recorder and write to a cassette tape. Then to run the program, you played the tape!)
Old issues of Byte, Compute, Family Computing (check out the 1982 TV ad below), and other magazines and educational trades were stacked a mile-high in our living room; many providing the outlines of a program to create some graphical spectacle (e.