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.
How much does a Flight Instructor make in California? California Flight Instructor salaries vary greatly from town to town. See below for Flight Instructor salaries, bonus and benefits information for 79 cities in the California area.