Definition, Meaning & Synonyms

mantissa

noun
/mænˈtɪsə/
Definition
The mantissa is the part of a logarithm that comes after the decimal point, representing the significant digits of a number.
Examples
  • The mantissa of 2.71828 is 0.71828.
  • When using a calculator, the mantissa helps determine the precision of the result.
Meaning
In mathematics, particularly in logarithmic and scientific notation, the mantissa is the decimal part of a logarithmic number.
Synonyms
  • significand
  • decimal component