 Gordon R. Dickson has the protagonist, Hal Mayne, in the book "The Final Encyclopedia" (1984), refer to Lull and his combination-of-wheels device, which Hal states is ″nothing less than a sort of primitive computer.″

In James Blish's fantasy novel "Black Easter" the white magician Fr.Domenico is sent by his Order to observe the works of a black magician.Forbidden to undertake any magic of his own during this commission, he relies on a 'Lull Engine' (a Lullian Circle) to help him decide his next steps, as "it was not in any strict sense, a form of magic".