
Rational approximations to pi
A recent account of ancient trigonometry inspired me to simply visualize rational approximations to numbers
: The

red dot is the meaning of Zu Chungzhi .
On the vertical axis - “fraction length”, i.e. the logarithm of the denominator.


red dot is the meaning of Zu Chungzhi .
On the vertical axis - “fraction length”, i.e. the logarithm of the denominator.