significant digit
ANY DIGIT OF A NUMBER WITHIN THE MEASUREMENT RESOLUTION OF THAT NUMBER, AS OPPOSED TO SPURIOUS DIGITS
Significant figure; Significant digit; Significant Figures; Arithmetic precision; Decimal place; Sigfigs; Significant digits; Sig figs; Sig digs; Decimal precision; Sig-fig; Sig fig; Sig-figs; Round (mathematics); Most significant digit; Least significant digit; Precision (arithmetic); First digit; Significant Digits; Decimal places; Superfluous precision; Significance figures; Precision (error); Trailing digit; Leading digit; Leading significant digit; Last digit; First digit (numbers); First digit (number representation); Least-significant digit; Most-significant digit; Numerical resolution
cifra significativa (la cifra col valore più alto in un gruppo di cifre e indicante la direzione della numerazione, da sinistra a destra o viceversa- informatica)