calculator
Sign in to savethumb|An electronic pocket calculator with a seven-segment display|seven-segment [[liquid-crystal display (LCD) that can perform arithmetic operations]] thumb|upright=.6|A modern scientific calculator with a dot-matrix display
AI overview
A calculator is an electronic device with a display that performs arithmetic operations like addition, subtraction, multiplication, and division. It matters because it allows people to quickly and accurately solve mathematical problems, from basic everyday calculations to complex scientific computations.
AI-generated from the Wikipedia summary — may contain errors.
Article
32 sectionsContents
- Design
- Input
- Display output
- Memory
- Power source
- Key layout
- Internal workings
- Example
- Numeric representation
- History
- Precursors to the electronic calculator
- Development of electronic calculators
- Programmable calculators
- 1970s to mid-1980s
- Pocket calculators
- Scientific pocket calculators
- Programmable pocket calculators
- Technical improvements
- Mass-market phase
- Mid-1980s to present
- Use in education
- Personal computers
- Calculators compared to computers
- Software calculators
- Open-source
- Proprietary
- See also
- Notes
- References
- Sources
- Further reading
- External links
thumb|An electronic pocket calculator with a seven-segment display|seven-segment [[liquid-crystal display (LCD) that can perform arithmetic operations]] thumb|upright=.6|A modern scientific calculator with a dot-matrix display
A calculator is typically a portable electronic device used to perform calculations, ranging from basic arithmetic to complex mathematics.