Do you mean list the formulas used in a specific document?
If so, that's really easy in Numbers 3 with a short script.
- Copy-paste into Script Editor (in Applications > Utilities folder).
- Make sure your Numbers document is open.
- Click the 'run' button in Script Editor.
The results can be copied out of the dialog and pasted anywhere, if you need to print.
If you find this script is useful and think you will be using it again you can place it in the Script Menu or the Numbers > Services menu. If you need help on that post back.
BTW, I'd be skeptical of advice to use the old Numbers (as opposed to the old Pages). After a controversial start, Numbers 3 has evolved into a powerful app that in many important ways is more than a match for the old Numbers, including in scripting support.
SG
tell application "Numbers"
tell front document
repeat with s in sheets
set fStr to "Sheet: " & s's name & return
repeat with t in s's tables
set fStr to fStr & return & "Table: " & t's name & return
repeat with c in t's cells
tell c to if formula is not missing value then ¬
set fStr to fStr & name & ":" & tab & formula & return
end repeat
end repeat
end repeat
end tell
end tell
display dialogfStrbuttons "Ok"