Qualifying Organizations. For any volunteer expenses to be deductible, they have to be for a qualified charity recognized by the IRS. You'll have to itemize your deductions to claim any volunteer expenses, and you can't claim any deductions for expenses you were reimbursed for. The expenses have to be directly related to the volunteer activity -- and only related to that activity.
A smartphone that can be used as a compass because of the magnetometer inside. A compass is an instrument used for navigation and orientation that shows direction relative to the geographic cardinal directions, or points. Usually, a diagram called a compass rose, shows the directions north, south, east, and west on the compass face as abbreviated initials. When the compass is used, the rose can be aligned with the corresponding geographic directions, so, for example, the N mark on the rose really points to the north.
Quite simply, magnets were made and labelled with their north pole, but in truth north pole on a magnet is short for North seeking pole. Or, to put it another way, the end which seeks North, is attracted to North, and which (if it's a magnetic compass needle) will point towards North on a map. There's no doubt about which end of the earth is the North and which end is the South.