- DOS 5.0 Essentials by Kelmens Mai, Abacus Publishing, et all June, 1991
- The history of the abacus by J. M. Pullan,
- The Abacus of Years by Emily R. Grosholz, May, 2002
- Upgrading and Maintaining Your PC by Abacus Publishing, Guido Roehrig, et all September, 1990
- Abacus 2: Assessment Book (Abacus) by Ruth Merttens, David Kirkby, 16 September, 1998
- Abacus (Wesleyan New Poets) by Mary Karr, September, 1987
- Flowfield Modeling and Diagnostics (Energy and Engineering Science (Abacus Press)) by A. K. Gupta,
- Amiga C for Beginners by Dirk, Schaun, Abacus Publishing, August, 1989
- Tips and Tuning Guide for MS Flight Simulator 2000 by Abacus Software Staff, Abacus Software, 15 January, 2000
- The Rise and Fall of Abacus Banking in Japan and China: by Yuko Arayama, Panos Mourdoukoutas, 30 May, 2000
|