Total Amounts repeat on each line
Have a formula which calculates the total expense amount as each item is added.  However, the total keeps repeating on each line, how do I get  the total amount to only appear on the last item added?  (This total appears under the related list)

Opportunity_Name__r.Opportunity_Total_Exp__c

Have a formula which calculates the total expense amount as each item is added.  However, the total keeps repeating on each line, how do I get  the total amount to only appear on the last item added?  (This total appears under the related list)

Opportunity_Name__r.Opportunity_Total_Exp__c

Created a button under the contact object, while it appears in SF and works as expected, it does not appear in the partner community.

/{!$ObjectType.Account}/e?retURL= {!Account.Id}=RecordType=0121N000000qrnM&en)}

1. Need A custom button (APEX/VF) to be added on your Business Contact List View
2. Button Behavior - Call out the Account object so you can create a "New Account". 

I created a custom object to relate 2 of the same objects.  However, it creates two separated related lists as below.  Is there an apex trigger to merge the two related lists into one?

I created a custom object to relate 2 of the same objects.  However, it creates two separated related lists as below.  Is there an apex trigger to merge the two related lists into one?