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天火字典

英日字典: 有効数字

有効数字


1 文書を見つけるための辞書。


  • significant figure, significant digit
  • 有効数字
  • any digit of a number that is known with certainty; any digit of a number beginning with the leftmost non-zero digit and ending with the rightmost non-zero digit (or a zero considered to be the exact value); "he calculated the answer to four significant figures"
  • 確定的に知られている数の桁のいずれか

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