Calculator mania!
Subtitle: secret messages, tricks and puzzles, weird numbers, mind bogglers, and a calculator that really works!!!
By: [illustration by Jack Keely]
Contributors: Planet Dexter (Firm)
Publisher: Planet Dexter
Published: 1995
Place of publication: [Reading, Mass.]
Language: eng
Number of pages: 63
Subjects: Calculators -- Problems, exercises, etc. -- Juvenile literature; Mathematical recreations -- Juvenile literature
Genres: Problems, exercises, etc.; Juvenile literature
Other titles: Planet Dexter calculator mania!
Notes: Calculator attached to book