adding machine
Definition
Noun: A mechanical or electronic device designed specifically for performing basic arithmetic operations, primarily addition and subtraction. It is a type of calculator that automates simple mathematical functions.
Usage
The term "adding machine" refers to the physical device itself. It is used as a countable noun. - You operate an adding machine. - You enter numbers into an adding machine. - The result is printed on a paper tape by an adding machine.
Examples
- The accountant used an adding machine to total the day's receipts.
- Before electronic calculators, offices relied on mechanical adding machines.
- The antique adding machine still functioned perfectly, its keys making a satisfying click.
Advanced Usage
- Historical Context: The term often evokes older, mechanical or early electronic devices, distinguishing them from modern general-purpose calculators or computers.
- Functional Focus: Emphasizes the device's primary purpose of addition (and often subtraction), as opposed to more complex scientific or graphing calculators.
Variants and Related Words
- Calculator: A more general term for any electronic or mechanical device that performs mathematical operations. An adding machine is a specific type of calculator.
- Arithmetic machine: A less common synonym.
- Tabulator: A historical device for processing numbers, often more complex than a simple adding machine.
- Comptometer: A trademarked brand name for a key-driven mechanical calculating machine.
Synonyms
- Calculator (specifically for basic arithmetic)
- Arithmetic calculator
- Reckoner (archaic)
Related Phrases
- To run the numbers on the adding machine: To calculate totals using the device.
- She ran the numbers on the adding machine to verify the invoice.
- The adding machine's tape: The physical paper roll on which calculations are printed.
- He checked the adding machine's tape for any errors.
Noun
-
a calculator that performs simple arithmetic functions
