1. Electronic calculators
by Forrest M. Mims; H. Edward Roberts 
Price: USD 58.93
Dealer: Biblio, ThriftBooks
Description: Sams, Date: 1974. Paperback. Acceptable. Readable copy. Pages may have considerable notes/highlighting. ~ ThriftBooks: Read More, Spend Less.Dust jacket quality is not guaranteed. 1974. Sams ISBN 0672210398 9780672210396 [US] 

2. Electronic Calculators,
by H. Edward Roberts 
Price: USD 54.93
Dealer: Alibris, ThriftBooks-Reno via Alibris
Description: H. W. Sams Softcover Fair Readable copy. Pages may have considerable notes/highlighting. ~ ThriftBooks: Read More, Spend Less. 

3. Electronic calculators,
by H. Edward Roberts 
Price: USD 142.99
Dealer: Abebooks, GoldBooks
Description: ISBN10: 0672210398, ISBN13: 9780672210396, [publisher: H. W. Sams] Softcover New Copy. Customer Service Guaranteed [Denver, CO, U.S.A.] [Publication Year: 1974]  

4. Electronic calculators,
by H. Edward Roberts 
Price: USD 58.93
Dealer: Abebooks, ThriftBooks-Atlanta
Description: ISBN10: 0672210398, ISBN13: 9780672210396, [publisher: H. W. Sams] Softcover Readable copy. Pages may have considerable notes/highlighting. ~ ThriftBooks: Read More, Spend Less 0.45 [AUSTELL, GA, U.S.A.] [Publication Year: 1974]