|
|
Next: A2tn Up: COD Command Summary Previous: ?
?DupDuplicate the number at the top of the stack only if it is non-zero.
Examples: 5.0 0.0 COD> ?DUP 5.0 0.0 COD> 1.0 ?DUP 5.0 0.0 1.0 1.0
Web Page Maintained by: Dr. Lawrence E. Brown elwin@redshift.gsfc.nasa.gov |
