DUPN

Member Of Menu: 
Stack
Argument Types: 
Any
Real
Result Type(s): 
Any
Invertible: 
No
Valid In Expression: 
No
Stack Diagram: 
Item1 ... Itemn Realn+1 Item1 ... Itemn Item1 ... Itemn

This operation takes a real number from the top of the stack which indicates how many items from the stack to duplicate. Copies of each of those items will be made an pushed onto the stack.