What does ABACUS stand for?

A Better Administrative Computer Utility System (SAUS)

Advanced Battlefield Computer Simulation (SAUS)

Agents and Brokers Automated Computer Users System (MHDI)

Air Battle Analysis Center Utility System - Air Force

Aktiebolaget Atomenergi Computer-Based User-Oriented Service

Alloy Bond Assembly Concepts Universal Systems (TIMI)

American Bankers Association Computer Utilization Computer System (EBF)

Architecture and Building Aids Computer Unit of Stratclyde (SAUO)

Architecture and Building Aids Computer Unit, Strathclyde University (PDAA)

Arizona Basic Assessment and Curriculum Utilization System (EDAC)

Artillery Battery Computer Support system (SAUS)

Association of Bibliographic Agencies of Britain, Australia, Canada, and the United States (ADA)

Automatic, Block-Schematic Advanced Control User-Oriented System (PDAA)

Automatics Business and Control United Systems, Inc. (SAUS)

Autonetics Business & Control United Systems, Inc.