Re: sum formula equals zero. Originally Posted by zoie01 I had this problem and tried several things to solve it. You can ensure that all the cells being summed are in number fomat, and must be numbers (with no ' in front of them). Also ensure there are no circular formulas in the range of cells being summed.
For example the median expected annual pay for a typical Flight Instructor in the United States is $94,803 so 50% of the people who perform the job of Flight Instructor in the United States are expected to make less than $94,803. Source: HR Reported data as of October 2015.
According to FltOps as of 2012, the salaries of airline pilots varied by experience and rank. In the first year, a first officer starts at an average $36,283. He is more often known as the co-pilot and is second-in-command of the flight behind the captain or pilot.