The two general classes of operators are: unary. A unary operator operates on only one operand. A unary operator typically appears with its operand in this format: binary. A binary operator operates on two operands.
Best Answer: Yes, you can take your ipod and camera on a plane. You won't be allowed to use any electronic devices for the first couple of minutes when the plane is taking off and again when it is landing.
For a 35 mm camera, a lens with a focal length of 19 mm or less would be required, whilst most photographers are only likely to have a 28 mm wide-angle lens. From an aeroplane, one has the opportunity to see the whole circle of the rainbow, with the plane's shadow in the centre.