I will calculate the average price in a fox formula. Therefore I have to check which values of the avg. price are zero.
First user have to enter a value for the year. This value will be devided linear and in next screen shown in a monthly basis (like example below). Now the user can overwrite this values by setting the value of a month.
The value of the average price should not be calculated and saved as a sum. Therefore I have to calculate it in formula to save it back.
How to do that? Result should be the sum of Avg. Pr. / 8...