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kovidgoyal · 09-29-2011, 02:35 AM

I doubt summing a column is possible (the template language acts only on a single book at a time), but you should be able to sum the fields from two columns for a single book and output the result in a third column

09-29-2011, 02:35 AM	#4
kovidgoyal creator of calibre Posts: 45,427 Karma: 27757236 Join Date: Oct 2006 Location: Mumbai, India Device: Various	I doubt summing a column is possible (the template language acts only on a single book at a time), but you should be able to sum the fields from two columns for a single book and output the result in a third column