自し然ぜん対たい数すう

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Meanings

1

natural logarithm

Mathematical term for the logarithm with base e (≈2.71828).

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。

The base of the natural logarithm is also called Napier's constant.

この式しきの自し然ぜん対たい数すうをとると計けい算さんが簡かん単たんになる。

Taking the natural logarithm of this expression simplifies the calculation.