mental calculation
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English[edit]
Noun[edit]
mental calculation (countable and uncountable, plural mental calculations)
- Arithmetical calculations using only the human brain, with no help from any supplies (such as pencil and paper) or devices such as a calculator.
- Synonym: mental arithmetic
Translations[edit]
arithmetical calculations using only the human brain, with no help from any supplies (such as pencil and paper) or devices such as a calculator
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