calculator

noun calculator

• computer — a device, usually electronic, that processes data according to a set of instructions. The digital computer stores data in discrete units and performs arithmetical and logical operations at very high speed. The analog computer has no memory and is slower than the digital computer but has a continuous rather than a discrete input. The hybrid computer combines some of the advantages of digital and analog computers
• number cruncher — a person or thing that performs a great many numerical calculations, as a financial analyst, statistician, computer, or computer program.
• pda — (computer)   (PDA) A small hand-held computer typically providing calendar, contacts, and note-taking applications but may include other applications, for example a web browser and media player. Small keyboards and pen-based input systems are most commonly used for user input. The Apple Newton was a fairly early example.
• personal digital assistant — a handheld computer, often pen-based, that provides especially organizational software, as an appointment calendar, and communications hardware, as a fax modem. Abbreviation: PDA.
• adder — In Europe and Asia, an adder is a small poisonous snake that has a black pattern on its back. In North America, a number of different poisonous and non-poisonous snakes are called adders.