Archived - Mac OS X 10.4.3 or later: Calculator may perform division when using % button
Mac OS X 10.4
In Mac OS X 10.4.3 or later, Calculator's percentage button ("%") may unexpectedly divide output instead of calculating percentage (for example, it may divide by 100). Note: This button is only available in the scientific calculator of the Calculator application.
This document will be updated as more information becomes available.