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.
Top of the line, professional cameras can have 45 to 51 focus points (although really only 11 -19 are selectable, the rest are assist points). There are two types of focus points, single plane and cross point. Single plane only work on lines of contrast perpendicular (at a 90 degree angle) to their orientation.