mental arithmetic
English
editNoun
editmental arithmetic (usually uncountable, plural mental arithmetics)
- Synonym of mental calculation (“arithmetical calculations using only the human brain, with no help from any supplies (such as pencil and paper) or devices such as a calculator”).
Translations
editarithmetical calculations using only the human brain, with no help from any supplies (such as pencil and paper) or devices such as a calculator — see mental calculation