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有効数字 (ゆうこうすうじ) Japanese meaning | Kotomora

有ゆう効こう数すう字じ

ゆ

う

こ

う

す

う

じ

Meanings

1

noun

significant figures; significant digits

mathematics

Mathematical term for the meaningful digits in a number, reflecting measurement precision.

有ゆう効こう数すう字じを考こう慮りょして計けい算さん結けっ果かを丸まるめる。
Round the calculation result considering significant figures.

この

測そく

定てい

値ち

の

有ゆう

効こう

数すう

字じ

は

3

桁けた

です

。

This measurement has three significant digits.

Kanji

有possess, have, exist
効merit, efficacy, efficiency
数number, strength, fate
字character, letter, word

Similar words

精せい度ど
精度 (precision) refers to the closeness of repeated measurements, while 有効数字 is about the number of meaningful digits in a single value.
誤ご差さ
誤差 (error) is the difference between a measured value and the true value; 有効数字 helps express the reliability of the measurement.

Etymology

Compound of 有効 (valid, effective) and 数字 (numeral, digit), directly translating the English term 'significant figures'.