Planet Dexter's calculator mania! : : 101 ways to enjoy a calculator without throwing it! / [electronic resource] Calculator mania! / [illustration by Jack Keely].. — New York : : Scholastic, Inc.,, 1996.. — 63 p. : : col. ill. ; 24 cm. + 1 Planet Dexter calculator.
0590731653 9780590731652
Calculators--Problems, exercises, etc.--Juvenile literature. Calculators--Problems, exercises, etc. Mathematical recreations.