Overview:
The Quantity and Calculator buttons are missing for placing samples on a Call report offline.
Root Cause:
The Quantity and Calculator buttons do not work if the Sample_Quantity_Picklist_vod__c contains a text value instead of a numerical value.
Solution:
Update the Sample_Quantity_Picklist_vod__c to a numeric value for this to work properly.
Related Documentation:
CRM Help Documentation: Product Catalog Overview