( ( ( Rounding off ) ( a number ) ) ( ( is ( ( the process ) ( of ( ( dropping ( ( ( ( one or ) more ) digits ) so ) ) ( that ( ( the value ) ( contains ( ( only ( those digits ) ) ( that ( ( are ( ( significant or ) necessary ) ) ( in ( ( subsequent computations ) ( -LRB- ( ( ( Brinker , ) 1984 ) -RRB- ) ) ) ) ) ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (S (VP (VBG Rounding) (PRT (RP off)) (NP (DT a) (NN number)))) (VP (VBZ is) (NP (NP (DT the) (NN process)) (PP (IN of) (S (VP (VBG dropping) (ADVP (NP (QP (CD one) (CC or) (JJR more)) (NNS digits)) (RB so)) (SBAR (IN that) (S (NP (DT the) (NN value)) (VP (VBZ contains) (NP (NP (RB only) (DT those) (NNS digits)) (SBAR (WHNP (WDT that)) (S (VP (VBP are) (ADJP (JJ significant) (CC or) (JJ necessary)) (PP (IN in) (NP (NP (JJ subsequent) (NNS computations)) (PRN (-LRB- -LRB-) (NP (NNP Brinker)) (, ,) (NP (CD 1984)) (-RRB- -RRB-)))))))))))))))) (. .)))
Rounding off a number is the process of dropping one or more digits so that the value contains only those digits that are significant or necessary in subsequent computations (Brinker, 1984).
(ROOT (S (NP (NNP Rounding)) (VP (VBZ is) (SBAR (WHADVP (WRB when)) (S (NP (QP (CD one) (CC or) (JJR more)) (NN ending) (NNS digits)) (VP (VBP are) (VP (VBN dropped) (S (VP (TO to) (VP (VB get) (NP (NP (DT the) (JJ correct) (NN number)) (PP (IN of) (NP (JJ significant) (NNS figures)))))))))))) (. .)))