area above under the baseline

hello

i want to know the exact base line that the area above it is equal to the area under it than i use this area and the new base line in some calculations like this one but in my code the graph will vary with each time i run it agin and take another inputs

[Rik]

Does this have to work with any data, or with your specific data? Can you supply a small example we can work with?

[darova]

♥