Mathematica Plus
From Author Wars - https://authorwars.com/books/mathematica-plus-872296.html
Editions/Publications:
- Unknown. Astounding Stories, May 1936 (Unknown, Schneeman, Street & Smith Publications, Inc., $0.20, 164 pages, pulp, MAGAZINE)
From Author Wars - https://authorwars.com/books/mathematica-plus-872296.html