Definition

1. Noun:
   • A small machine used for mathematical calculations: A device, typically mechanical or electronic, designed to perform arithmetic operations such as addition, subtraction, multiplication, and division.

Usage

• The term "calculating machine" typically refers to a dedicated physical device for computation. It is often used in historical contexts to describe early mechanical calculators or in contrast to modern general-purpose computers.

Examples

• Noun:
  • The accountant used a mechanical calculating machine to tally the figures.
  • Before the invention of the microchip, offices relied on bulky electronic calculating machines.

Advanced Usage

• Historical Context: The term is often used to describe pre-digital devices like the abacus, Pascaline, or Curta calculator.
  • The museum's exhibit on computation history features a working model of Babbage's Difference Engine, a pioneering calculating machine.

Variants and Related Words

• Calculator (n): A modern, typically electronic, handheld or desktop device for performing calculations. This is the more common contemporary term.
  • She used a solar-powered calculator for her math exam.
• Arithmometer (n): A specific historical type of mechanical calculating machine.
• Comptometer (n): A brand name for a key-driven mechanical calculating machine.

Synonyms

• Calculator: A device for making mathematical calculations.
• Adding machine: A machine, especially an older one, used primarily for addition and subtraction.
• Reckoner: An archaic term for a person or device that performs calculations.

Related Phrases

• "To operate a calculating machine": To use a calculating machine.
  • In the 1960s, clerks were trained to operate a calculating machine efficiently.

Noun

1. a small machine that is used for mathematical calculations