In 11 years of working with this great machine, this is first thing I haven't been able to solve by just reading the manual.
This for the ADDTMOD command from both the soft key and when called within a << >> program.
I am getting an intermittent error condition when, with two integers on the stack, (in RPN Mode, of course) I am getting a generic, "Bad Argument Type".
What makes this even more frustrating, is that it is intermittent. For reasons I still seem to be unable to determine I can still get the command to work and return the correct value, just not all the time.
Any help would be greatly appreciated.
Many Thanks