Historian Ann Moyer lauded King for re-introducing the numerical system to a larger audience, since many had forgotten about it.[4] Mathematician Detlef Spalt claimed that Kind exaggerated the system's importance and made mistakes in applying the system in the book devoted to it.[5] Moritz Wedell, however, called the book a "lucid description" and a "comprehensive review of the history of research" concerning the monks' ciphers.[6]