Determine is a synonym of Fix. Fix is etymologically related to Dig. Mine entails/necessarily involves Dig. Mine is related to Workplace. 
you are likely to find Calendar in/at/on Desk. 
Determine <--Synonym--> Fix --EtymologicallyRelatedTo--> Dig <--Entails-- Mine <--RelatedTo--> Workplace 
Calendar --AtLocation--> Desk 