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http://www.pdfsam.org/
It is free and easy to use.
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try PrimoPDF Its a free pdf converted that works by printing a document. So you can open your pdf, prnit the first n-pages using primopdf and voila, you are good to go.
HTH
Cheers
Peter
PS - cool site! I scanned and OCRed the VASMs a little while ago to make them searchable. Would be great to hear how successful your conversion was. Maybe we can pool together - everyone scans & uploads one manual of general interest and then we all share. A few suggestions with regards to manuals
- HP41 user Manuals
- Keith Jarret - Extended Functions Made Easy
- Keith Jarret - Synthetic Programming made Easy
- HP Advantage Module
- CCD Module
- PPC Module
- Hepax Manuals
- Ken Emery - MCODE for Beginners
- Wlodeks 'Red bible' - Extend Your HP-41
- Paul Dodin Inside the HP-41
- Article Index from the PPC journal (this would awesome! There are literally 1000s of pages of PPC Journal and its very hard to find something on a particular subject. I went once through the exercise and organized all PPC, HPCC, CHUU etc articles into themes by printing them out, reading all of them and organizing them by theme. Better, but still very cumbersome. There are some good indices which cover a few years of articles so if we have those OCRed one can search for articles on a particular subject)
Just a thought...
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Quote:
Is there an easy way to take a 50M PDF and break it into 3 equal size pieces - hopefully at a Chapter boundary?
If you (or a friend) have Adobe Acrobat Professional (not the free reader which everybody has), you can extract arbitrary pages, or range of pages, from a pdf file. Then you save what you extracted (under a new name!), and go back and extract some more. Conversely, you can delete what you don't want.
Can you point on the web to the original pdf you have, or put it on a web site somewhere? If so, I would be glad to break it up into chunks (and put the pieces on my own site).
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Try this here:
http://portableapps.com/apps/office/pdftk_builder_portable
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An excellent online version of the HP 41C manual is here