noun
In mathematics, the fractional part of a logarithm. Technical term used mainly in academic contexts.
対数の仮数部は小数点以下の部分を指す。
The mantissa of a logarithm refers to the part after the decimal point.
noun
significand
In computing, the part of a floating-point number that represents its significant digits. Technical term.
浮動小数点数の仮数部は有効数字を保持する。
The significand of a floating-point number holds the significant digits.