"Number Jumpers" is a 1994 educational program developed by Rod Haenke, Lon Koenig, Korey Schulz, and Michael Tschimperle, and distributed by MECC. This is version 1.0. It requires an Apple IIgs, //c+, or 128K //e with a compatible drive controller card. Note: this image has been modified to remove identifying site license information.