Rounding a numerical value means replacing it by another value that is approximately equal but has a shorter , simpler , or more explicit representation ; for example , replacing # 23.4476 with # 23.45 , or the fraction 312\/937 with 1\/3 , or the expression √ 2 with 1.414 .
The word `` rounding '' for a numerical value means replacing it by another value that is approximately equal but has a shorter , simpler , or more explicit form .