noun
significant digit arithmetic
Computing term for arithmetic that preserves a specified number of significant digits, often used in numerical analysis and floating-point contexts.
有効けた演算では、計算結果の精度を保つために桁数を制限する。
In significant digit arithmetic, the number of digits is limited to maintain the precision of the calculation result.
Compound of 有効 (valid, effective) + けた (digit) + 演算 (arithmetic). A technical term likely calqued from English 'significant digit arithmetic'.