HP-65/67 Instructions in HP-41?

[toml_12953]

(12-18-2015 07:48 PM)Dieter Wrote:  

(12-18-2015 01:14 PM)toml_12953 Wrote:  OK, I found a complete card reader manual that lists the additional instructions. Unfortunately, they can only be executed when the card reader is attached. Without the card reader, the NONEXISTANT error shows up.

Yes, of course. Want a printer function? Get the printer. Want a card reader function? Get the card reader. ;-)

Dieter

I should have made it clear. I'm using a DM-41L which has no ports for peripherals.

Tom L