In celebration of this extra special day Microsoft is offering an Xbox Music Pass for $31.41 (regularly $99). An Xbox Music subscription gives you access to songs to play on your Xbox, the Web, or your Windows PC, Tablet and Phone. You can purchase this limited time offer tomorrow only (3/14/15) from the Microsoft Store.
Microsoft also said that it would have Pi Day-themed digital gift cards via its Digital Gift Card apps for Windows and Windows Phone.
Microsoft added that it would also discount the Einstein Brain Trainer HD Windows Phone and Windows Store apps in honor of March 14, which also happens to be Einstein’s birthday.