08-17-2000, 04:20 PM
http://members.aol.com/hpgene/hp42fast.htm
This one is for the HP42S. Unfortunately, one can only "programmatically" speed this up on early HP42S models aka made before 1990 or so.
http://members.aol.com/hpgene/28sfast.htm
This one is for the HP28S, all versions (I think!).
More information like this can be found on the HPGENE website at this URL:
http://members.aol.com/hpgene