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		#1 | 
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			 Junior Member 
			
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				squares instead of numbers in iBooks/iPad
			 
			
			
			I am trying to import a PDF into calibre to convert to my iPad..  
		
	
		
		
		
		
		
		
		
		
		
		
	
	however whenever I do this, I see squares instead of numbers... I dont know what it could be, and I dont know how to resolve it... I am not technical, so if you know the solution, please keep it simple! thanks,  | 
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		#2 | 
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			 Reader of Books 
			
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			maybe take this over to the calibre forum as your problem is importing into calibre?
		 
		
	
		
		
		
		
		
		
		
		
		
		
	
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		#3 | 
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			 Junior Member 
			
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				squares instead of numbers in iBooks/iPad
			 
			
			
			I am trying to import a PDF into calibre to convert to my iPad..  
		
	
		
		
		
		
		
		
		
		
		
		
	
	however whenever I do this, I see squares instead of numbers... I dont know what it could be, and I dont know how to resolve it... I am not technical, so if you know the solution, please keep it simple! thanks,  | 
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		#4 | 
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			 Junior Member 
			
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			let me re-state my problem.. 
		
	
		
		
		
		
		
		
		
		
		
		
	
	after I convert my PDF in Calibre and sync with iPad, I open it up as a book in the iPad and every character that should be a number is actually a square..  | 
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		#5 | 
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			 creator of calibre 
			
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			That's because your PDf liely uses a special math font to display the numbers. Conversion wont be able to handle that.
		 
		
	
		
		
		
		
		
		
		
		
		
		
	
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		#6 | 
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			so there is no fix?
		 
		
	
		
		
		
		
		
		
		
		
		
		
	
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		#7 | 
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			 creator of calibre 
			
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			No, use an app that can read PDF on your device.
		 
		
	
		
		
		
		
		
		
		
		
		
		
	
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		#8 | 
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			i can read PDF, but in iPad i cant highlight passages in PDF...  
		
	
		
		
		
		
		
		
		
		
		
		
	
	are there any other applications that would convert this PDF into a book?  | 
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		#9 | 
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			 creator of calibre 
			
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			There are lots of applications that convert PDF, whether any of them will be able to successfully convert this particular PDF, I can't say. Try a few. Just google PDF converters
		 
		
	
		
		
		
		
		
		
		
		
		
		
	
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		#10 | 
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			 Comparer of the Ephemeris 
			
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		#11 | 
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			Probably the numbers are specialized figure representations (proportional/tabular old-style, proportional lining), and are wrongly encoded in the Private Use Area --- is the .pdf publicly available? What fonts/versions are being used?  
		
	
		
		
		
		
		
		
		
		
		
		
	
	(And why use that as a source? Can't you get an original file?). William  | 
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		#12 | 
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			 Junior Member 
			
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			by the way, Calibre is wonderful! 
		
	
		
		
		
		
		
		
		
		
		
		
	
	I have used it successfully a dozen or so times with zero issues, and am grateful for it!  | 
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