man·tis·sa /mænˈtɪsə/
尾數
mantissa
( 對數的 )假數; 假數; 尾數; 定值部; 浮點數
mantissa
尾數
man·tis·sa n. Math. The decimal part of a logarithm, as distinguished from the integral part, or characteristic.
◄ ►
mantissa
n : the positive fractional part of the representation of a
logarithm; in the expression log 643 = 2.808 the mantissa
is .808 [syn: fixed-point part]