ROLL


Next: ROT Up: COD Command Summary Previous: REPEAT

ROLL

Rotate the nth number (not counting n itself) to the top of the stack, where n the top number in the stack. Note: 2 ROLL does the same thing as SWAP, and 3 ROLL does the same thing as ROT; and n must be greater than 1.0.

Example:

 100. 200. 300. 400.
COD> 4 ROLL
 200. 300. 400. 100.



Web Page Maintained by: Dr. Lawrence E. Brown elwin@redshift.gsfc.nasa.gov