Definition:Ludolphine Number

Definition
The Ludolphine number is the expression of the value of $\pi$ to $35$ decimal places:
 * $3.14159265358979323846264338327950288 \ldots$

He published a $20$-decimal value in his 1596 book Van den Circkel ("On the Circle"), later expanding this to the $35$-decimal value which was carved onto his tombstone.

He obtained his value by using ' technique, taking the number of sides of the inscribed and circumscribed polygons to be $2^{62}$.