A precedent is a cell that is referenced by a formula in another cell. In our example (at right), the points of origin are the precedents.
Tracing Precedents Using the Ribbon
Click any cell containing a formula
Click the Trace Precedents command in the Formula Auditing group on the Formula tab
Removing Precedent Tracers
Click the Remove Arrows drop-down arrow in the Formula Auditing group on the Formula tab
Choose Remove Precedent Arrows