رقم معنی دار

رقم معنی دار

شيمى : رقم با معنى

any digit of a number that is known with certainty; any digit of a number beginning with the leftmost non-zero digit and ending with the rightmost non-zero digit (or a zero considered to be the exact value)(n)

Synonyms: significant digit significant figure

Hypernyms: digit figure

Examples: he calculated the answer to four significant figures