  1991 - Using the Math Explorer Calculator a Sourcebook for Teachers (Paperback) ISBN-13: 9780201233896 ISBN-10: 0201233894 Genres: Nonfiction, Engineering & Transportation ?  Activities Handbook for Teaching the Metric System (Hardcover) ISBN-13: 9780205048489 ISBN-10: 020504848X Genre: Science & Math ?  Using the Explorer Plus Calculator (Paperback) ISBN-13: 9781572328532 ISBN-10: 1572328533 Genres: Children's Books, Computers & Technology, Reference ? |
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