Fit2PDA is a useful tool for making scanned books fit a PDA device, it splits pages of scanned books into lines and split lines into parts so that they fit into PDA display. Fit2PDA will produce html with images having width of screen of your device.
Fit2PDA also may be useful to convert handwritten lecture notes, but you'd better to use some methods to improve image quality, especially contrast, and suppress squares.

The license of this software is Free, you can free download and free use this file converter software.