December 2, 2015 at 15:21Rational 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.
: The red dot is the meaning of Zu Chungzhi .
On the vertical axis - “fraction length”, i.e. the logarithm of the denominator.