A tome of mystical equations was a magical tome that contained charts and equations that related to the numbers sphere of magic. It could be used as a material component for the following spells, make them faster to cast and harder to resist:



  1. Cook, Findley, Herring, Kubasik, Sargent, Swan (1991). Tome of Magic 2nd edition. (TSR, Inc), p. 146. ISBN 1-56076-107-5.