下か位いけたあふれ

noun

underflow

Computing term for a condition where a calculated value is too small to be represented in the available data type, often resulting in zero or a subnormal number.

• 浮ふ動どう小しょう数すう点てん演えん算ざんで下か位いけたあふれが発はっ生せいすると、結けっ果かがゼロになることがある。

  When underflow occurs in floating-point arithmetic, the result may become zero.