= skip to content
 
Goddard Space Flight Center, Smithsonian Astrophysical Observatory GSFC SAO   Help/FAQ
  What's New
  Site Map
  NASA Homepage
   Advanced Search

HEASARC HOME OBSERVATORIES ARCHIVE CALIBRATION SOFTWARE TOOLS STUDENTS / TEACHERS / PUBLIC
High Energy Astrophysics Science Archive Research Center
ABOUT THE HEASARC RESOURCES FOR SCIENTISTS FAQ/HELP SITE MAP OTHER ARCHIVES

Guest Observer Facilities
& Science Centers
NASA Archives

HEASARC Tip:

View all tips


Next: ;; Up: COD Command Summary Previous: ;;

=

Replace the top two numbers in the stack with 1.0 if the numbers are equal, 0.0 otherwise.

Example: 

 1.0 2.0
COD> =
 0.0


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