Unit Imaginary Number. The unit Imaginary Number (the equivalent of 1 for Real Numbers) is â(â1) (the square root of minus one). In mathematics we use i (for imaginary) but in electronics they use j (because i already means current, and the next letter after i is j). Examples of Imaginary Numbers i
8 Things You Must Do When Your Flight Is Cancelled Or Delayed. 1  Fly in the morning. You can almost stop reading here, this one is so key. 2  Avoid regional jets flying out of hub airports. Hub airports depriorize small regional planes because bumping them affects fewer passengers and costs airlines less money than rerouting an AirBus.
JetBlue Canceled Twice As Many Flights Today As Anyone Else. Several airlines canceled flights today due to snow and ice in the northeast, with JetBlue canceling twice as many as the next guy. âThe weather is fine for flying,â US Airways company spokesman Andrew Christie said.