"Alge-Blaster Plus!" is a 1989 educational program developed by Julie Baumgartner, Anne Hertz, David Ely, and Louis X. Savain, and distributed by Davidson & Associates. This is version 1.0, distributed on a single 3.5-inch (800K) disk. It requires an Apple IIgs, Apple //c+, or 128K Apple //e with a compatible drive controller card.