What is another word for rounding-off?
Pronunciation: [ɹˈa͡ʊndɪŋˈɒf] (IPA) 
Rounding-off is a mathematical procedure that involves approximating a given number to the nearest whole number, decimal, or significant figure. Synonyms for this term include truncation, approximation, estimation, smoothing, and simplification. Truncation refers to the process of discarding the digits after a certain point, while approximation pertains to the use of a related but simpler calculation to get an easier-to-understand answer. Estimation involves the use of educated guesses or rounding to nearest number, while smoothing refers to the removal of minor fluctuations or uncertainties in data. Finally, simplification involves transforming complex numbers or equations into simpler, more manageable forms, thereby aiding in the process of rounding-off.
