Abacus (disambiguation)

An abacus is a counting frame.

Abacus may also refer to:


 * Abacus (architecture), a flat slab forming the uppermost member or division of the capital of a column
 * Abacus (journal), a peer-reviewed academic accounting journal
 * Abacus school, a type of Renaissance-era Italian trade school
 * Logical abacus, an early mechanical digital computer
 * Mental abacus, a system involving visualization of an abacus to carry out arithmetical calculations
 * Abacus Harmonicus, an ancient diagram showing the structure and placement of the keys of a particular musical instrument
 * Operation Abacus, the Canadian military operation to restore vital services if the year 2000 caused disruption

Companies and brands

 * Abacus Federal Savings Bank, an overseas Chinese bank in the United States
 * Abacus: Small Enough to Jail, 2016 documentary about the bank, which was the only financial institution to face criminal charges following the subprime mortgage crisis
 * Abacus Data, a Canadian polling firm
 * ABACUS, an Enterprise Architecture (EA) mapping software tool by Avolution
 * Abacus, an imprint of Little, Brown and Company
 * Abacus Recordings, a defunct imprint of Century Media Records
 * Abacus Jasper's Management Group, owned by chef Kent Rathbun

Ábaco (desambiguación) Abako Abako (argipena) Abaque Ábaco (homónimos) Abako (homonimo) Abaco (disambigua)