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 the Bureau of Labor Statistics, more than 68,000 airline pilots, copilots and flight engineers were employed in the United States as of May 2011. They earned a mean annual salary of $118,070. The median salary, or halfway point, was $105,580 per year, and the median-earning 50 percent of airline pilots made between $81,910 and $140,650 per year.