James R. White over at Pros Apologian had this pithy remark "And We Struggle to Get Folks to Memorize Scripture..."
Looks like the human memory is extremely capable. Now, if only we can encourage more American youth to even know what "pi" is, let alone 3.14nnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnn
nnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnn
nnnnnnnnnnnnnnnnnnnnnnnnnnn - well, you get the point.
From Ask Dr. Math Pi is:

Source - Man recites pi from memory to 83,431 places - World News - MSNBC.com Out... --------By definition, pi is the ratio of the circumference of a circle to its diameter. Pi is always the same number, no matter which circle you use to compute it. For the sake of usefulness people often need to approximate pi. For many purposes you can use 3.14159, which is really pretty good, but if you want a better approximation you can use a computer to get it. Here's pi to many more digits: 3.14159265358979323846. The area of a circle is pi times the square of the length of the radius, or "pi r squared":A = pi*r^2