pocket calculator
Học thuậtThân thiện
Definition
Noun: A small, portable electronic device used for performing mathematical calculations, designed to be easily held in one hand or carried in a clothing pocket.
Usage
This term refers specifically to a handheld, battery-powered computing device for arithmetic. It is a common, everyday item. - He used a pocket calculator to quickly add up the bill. - Before smartphones, students relied on a pocket calculator for math exams.
Advanced Usage
- As a defining characteristic: The term emphasizes portability and personal use, distinguishing it from larger, desktop calculators or computational tools.
- The engineer always carried a pocket calculator, a slide rule, and a notepad.
Variants and Related Words
- Calculator (n): The general term for any device that performs calculations. A pocket calculator is a type of calculator.
- Handheld calculator (n): A near-synonym that emphasizes it is operated while held in the hand.
Synonyms
- Handheld calculator
- Portable calculator
Notes
The term "pocket calculator" is a compound noun. Its meaning is directly derived from its components: "pocket" (indicating size and portability) and "calculator" (indicating function). It is typically used as a single, fixed concept.
Noun
- a calculator small enough to hold in the hand or carry in a pocket