were looking for open source code for time and divisn of numbers like 2 x 3 and 3 / 7
it must be code in source and with proper comments ending in ;
we cant find any.
The "bible" is name for a set of manuals that fully describe the operation of the 8051 family. Suggest that you do a search on this forum for "bible" without the quotes. This will give you links to several source for these manuals. Bradford