the positive fractional part of the representation of a logarithm; in the expression log 643 = 2.808 the mantissa is .808
同义词：fixed-point part
mantissa详细解释
man.tis.sa n.Mathematics （名词）【数学】 The decimal part of a logarithm. In the logarithm 2.95424, the mantissa is 0.95424.尾数：对数的小数部分。如在对数2.95424中，尾数是0.95424 来源：Latin [makeweight] 拉丁语 [充数物] perhaps of Etruscan origin 可能来自于伊特鲁里亚语源
