Mr. Blake derived a simple melody by playing a few dozen digits of pi using a C-major scale, with 3, 1, 4, 1, 5, 9 translated to the notes E, C, F, C, G, D and so on.

WSJ: We Can All Have a Slice of Pi | Postmodern Times by Eric Felten

Basically, 44% of the hospitals reviewed were given a C, D or F.

FORBES: Move up http://i.forbesimg.com t Move down

The durable body is resistant to impacts and dropping, and a Class 1, Division 1, Groups C, D, F UL approval assures safe and compliant operation.

ENGADGET: Explosion-proof flashlight could be the first to outlive its owner

Gender hiring improved from a D to a C among senior team administration, but it remained an F among team vice presidents.

WSJ: MLB improves diversity among senior administration