Pi day

Today is Pi day, March 14th!  It is also Albert Einstein's birthday.

3.1415926535897932384626433832795028841971693993751058


209749445923078164062862089986280348253421170679821480

865132823066470938446095505822317253594081284811174502

841027019385211055596446229489549303819644288109756659

334461284756482337867831652712019091456485669234603486

104543266482133936072602491412737245870066063155881748

815209209628292540917153643678925903600113305305488204
66521384146951941511609...

Go calculate something circular.