ocr efficient module

i have a directories with 8 digits B/w pictures most with reasonable reading i need a progran_pictures_base to effichienntly give me the numbers in those picture in format 12345.678 i want 98% may have tolerance on right most digit may use network resouces should run on linux please note: a) price you suggest is none negotiable: and final! b) milesons only after proving ability to ocr 100 pictures c) there are 100000 like this, it must be a well and effichint prroscedure as it will connect o another software d) i fyou are new to this - dont start as the problem is not to find 80% which is easy but harder to find you may suggest different way to ocr or network resources but ROYALTY FREE