Prime number finder HP11C?

[Don Shepherd]

(06-19-2016 07:25 PM)rprosperi Wrote:  Do you know which of the solver-equipped machines behave which way:

18C, 19B, 19BII, 17B, 17BII, 17BII+(Gold), 187BII+(Silver), 27S ?

Bob, the only ones I am sure of are these:

works fine: 17b, 17bii
can't save erroroneous equations: 19bii

I don't have those other machines to test. The plusses, as you know, I gave up on a long time ago.