Accurate Normal Distribution for the HP67/97

[Dieter]

(03-23-2017 04:43 PM)Willy R. Kunz Wrote:  That's exactly what I did. Ready for download now.

Fine, thank you.

(03-23-2017 04:43 PM)Willy R. Kunz Wrote:  Of course, giving up vintage mode compatibility would allow adding bells and whistles, like full-precision constants and easy switching between the two models. Using RCL register arithmetic, single-line floating-point constants, INCR instead of "1 +" etc. would also make the program much shorter. And no data card required.
Left as an exercise to the RPN-67 user... ;-)

I consider the Normal distribution CDF one of the most basic transcendental functions so that I wonder why it is not included as one of the "bells and whistles" of the extended version. ;-)

BTW, what is the precision and working range of RPN-67? And does it use BCD or binary arithmetics?

Dieter