Reference Guide

3-70 Full Command and Function Reference
Input/Output:
Level 2 Level 1 Level 1
obj
1
obj
2
→
See also: CLEAR, DROP, DROPN
DROPN
Type: RPL Command
Description: Drop n Objects Command: Removes the first n + 1 objects from the stack (the first n objects
excluding the integer n itself).
Access: !° STACK LL DROPN ( °is the left-shift of the Nkey).
I STACK LL DROPN
Input/Output:
Level
n+1
... Level 2
Level 1 Level 1
obj1 ... obj
n
n
→
See also: CLEAR, DROP, DROP2
DTAG
Type: Command
Description: Delete Tag Command: DTAG removes all tags (labels) from an object.
The leading colon is not shown for readability when the tagged object is on the stack.
DTAG has no effect on an untagged object.
Access: !° TYPE L DTAG ( °is the left-shift of the Nkey).
Input/Output:
Level 1/Argument 1 Level 1/Item 1
tag:obj
→
obj
See also: LIST→, →TAG
DUP
Type: RPL Command
Description: Duplicate Object Command: DUP returns a copy of the argument (or the object on level 1).
Access: !° STACK DUP ( °is the left-shift of the Nkey).
I STACK DUP
` in RPN mode executes DUP when no command line is present.
Input/Output:
Level 1 Level 2 Level 1
obj
→
obj obj
See also: DUPN, DUP2, PICK
DUP2
Type: RPL Command
Description: Duplicate 2 Objects Command: DUP2 returns copies of the two objects on levels 1 and 2 of the
stack.
Access: !° STACK LL DUP 2 ( °is the left-shift of the Nkey).
I STACK LL DUP 2