On Sun, 22 Jan 2023, Steve Nickolas wrote:

> I think there was one particular dc clone...guy whose name started with 
> a G? and his version did that.

On my ancient MacBook Pro (13-inch, mid 2010, High Sierra 10.13.6):

    mackie:~ dave$ dc
    (^D)
    mackie:~ dave$ dc -V
    dc (GNU bc 1.06) 1.3

On my ancient FreeBSD server:

    aneurin% dc
    (^D)
    aneurin% dc -V
    dc (BSD bc) 1.3-FreeBSD

Nil prompt in both cases.

> Most Linux versions use GNU's which Does The Right Thing®™©.

Perhaps so, but I try to avoid using Penguin/OS and GNU...  I don't like 
its licence conditions ("free" it ain't), and I would rather write my own 
libraries than be constrained by Stallman's conditions.

-- Dave