A class of computer software, or program that helps accounting professionals mange accounts and perform accounting operations. The simplest accounting programs, sometimes called personal finance managers, are single-entry systems that automate tasks such as check writing and record keeping.
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Double-entry systems include functions for general ledger, accounts receivable, and accounts payable. More sophisticated systems also support functions for payroll, inventory, invoicing, and fixed assets. Some high-end systems even support sales analysis and time billing.
In North America this type of program is called accounting software, however in the UK it is often referred to as accounts software.