The Astrophysics Science Division (ASD) at NASA's Goddard Space Flight Center (GSFC) seeks a creative, innovative individual with strong teamwork and leadership skills to serve as Director of the High Energy Astrophysics Science Archive Research Center (HEASARC). This will be a permanent civil servant position. + Learn more.
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Next: A2tn
Up: COD Command Summary
Previous: ?
Duplicate 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
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