2. to make the function with the e below to loran column
I know it seems simple but for me it is a big help
Solving the equation is pretty trivial isn't it? If then either or . If your calculator does not allow for inverse trig functions of imaginary numbers (my TI 89 does), use . Letting makes the equation that you can solve with the quadratic equation.
For (2), I simply don't know what you mean by " function with the e below to loran column".