KvadrantEasing
Metro's timing, from the WinJS animation library and the Windows Phone Toolkit.
Only the curves something here uses. Two of them are exponential rather than cubic-bezier and have no bezier equivalent, so they are the formula.
Properties
exponential(1): the rotate transition's transform, gentler than anything else here.
ExponentialEase { EasingMode = EaseIn, Exponent = 1 }: the last third of a progress dot.
exponentialIn(15): the snap of a ToggleSwitch, and Swivel's forward-out.
exponentialIn(6): a page leaving on the turnstile.
ExponentialEase { EasingMode = EaseInOut } with no Exponent set, which is Silverlight's default of 2 — the curve the context menu's zoom runs on.
exponentialInOut(4): a ListPicker opening. The context menu uses ExponentialInOut2.
exponentialOut(15): the ToggleSwitch's snap, straight out of the Toolkit's template.
exponentialOut(6): the Windows Phone canon for things settling into place.