An early interactive symbolic mathematics system.
[Sammet 1969, p. 510].
And he handed them the magic paper which already had done him such service.
"I hope you didn't expect it, only a child," said Ernestine, as Bea took the magic paper in great delight.
I told her I thought I would like them better if they were alive, and the next day the Sorceress brought me a lot of magic paper.