Quote:
	
	
		
			
				
					Originally Posted by  Sarmat
					 
				 
				I have a plugin which shows how many words are in a book. Taking in consideration average reading speed is it possible to have a column with predicted hours per book value? 
 
The math is like: 
(number of words)/(average words per hour) 
 
I know my reading speed, calibre doesn't have to calculate it! I just need it to make one simple calculation 
 
I tried making a column based on another column: 
{#words}/11160 
 
but it didn't work 
			
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 You can use the Template Functions utility.
bernie
EDIT
https://manual.calibre-ebook.com/template_lang.html