Hi,
Expected values are calculated by the app, you cannot edit them. While a task is still in planning, they reflect the Planned values. When there is actual progress recorded on a task, the Expected values calculate based on the Actual values.
Given values are the values you enter while planning a task:
https://www.projectwizards.net/documentation/merlin-project/reference/en/index.html#_given_values
Merlin Project uses the Given values to calculate the Planned values:
https://www.projectwizards.net/documentation/merlin-project/reference/en/index.html#_planned_values
Expected values :
https://www.projectwizards.net/documentation/merlin-project/reference/en/index.html#_expected_values
Actual values:
https://www.projectwizards.net/documentation/merlin-project/reference/en/index.html#_actual_values