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Who discovered Napier's number?

I read Bernoulli calculated it, Napier discovered it but it is e because of Euler.

I know how Bernoulli calculated it but where did Napier see it?

johnny is here
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    Napier did not "see" it, he (or rather his translator Oughtred) calculated some logarithms to base $e$ without needing the base itself. Several other people calculated related numbers before Bernoulli, but none of them isolated $e$, see MacTutor's history of $e$. – Conifold May 01 '20 at 06:22
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    Napier used an approximate value. See https://hsm.stackexchange.com/questions/42/which-came-first-the-natural-logarithm-or-the-base-of-the-natural-logarithm/47#47 – Alexandre Eremenko May 02 '20 at 01:35

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