HP-42s Entering 4 complex numbers on the stack

[J-F Garnier]

(05-28-2023 04:52 PM)Joe Horn Wrote:  

(05-28-2023 04:28 PM)J-F Garnier Wrote:  Note however, that CMPLXx<>y can be done with Rv Rv
(I long ago asked for a way to do CPMLXENTER as a challenge).

Is 0 ENTER 1 CMPLX× the shortest solution for CMPLXENTER?

My solution was close: 0 ENTER CMPLX+ , a bit shorter and marginally faster.

It enables to emulate the missing CMPLXx^2 by 0 ENTER CMPLX+ CMPLX*

J-F