ROLLD

Member Of Menu: 
Stack
Argument Types: 
Any
Real
Result Type(s): 
Any
Invertible: 
No
Valid In Expression: 
No
Stack Diagram: 
Item1 Item2 ... Itemn-1 Itemn Realn+1 → Itemn Item1 Item2 ... Itemn-1

This operation takes a real number from the stack which is the number of items on the stack to roll down. The item below that real number on the stack is then removed and inserted "n" items from the top of the stack according to the value of that real number.