accurate to n significant digits
rašmand bâ n raqam-e nešânâr
Fr.: écrit avec n chiffres significatifs
An expression specifying the number of meaningful digits used to express the value of a measured quantity. Same as accurate to n significant figures. For example, e = 2.71828 ... = 2.718 is rounded to four significant digits, and 2.72 to three significant digits. → accurate to n decimal places.
1) Having a special or suggestive → meaning.
From L. significant-, stem of significans, from significare, "to → signify."
Nešânâr, from nešân, → sign, + âr short form of âvar present stem of âvardan "to bring, adduce, cause, produce."
Fr.: chiffre significatif
The number of digits used to express a measured or calculated quantity.
Rules for deciding the number of significant digits: