Definition:Mercator's Constant/Mistake

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Source Work

1983: François Le Lionnais and Jean Brette: Les Nombres Remarquables:

Thème et variations
$0,69314 7805 \ldots$


Mistake

The section title is given as:

$0,69314 7805 \ldots$


Correction

There is a $1$ missing.

Mercator's constant is $\ln 2$, which actually begins:

$0 \cdotp 69314 \, 7 \mathbf 1 805 \, 59945 \, 30941 \, 72321 \, 21458 \, 17656 \, 80755 \, 00134 \, 360 \ldots$


Sources