Henry et al,

I have 2 questions.

How would the second root at 2 be found with Skip's problem?
Why do I get the following error?

server:~ brian$ /Users/brian/j901/bin/jconsole ; exit;
   JVERSION
Engine: j901/j64avx/darwin
Release-c: commercial/2020-01-11T12:22:31
Library: 9.01.20
Platform: Darwin 64
Installer: J901 install
InstallPath: /users/brian/j901
Contact: www.jsoftware.com
   load'math/calculus'
   Newton =: adverb : ']-u%(u deriv_jcalculus_ 1)'(^:_)("0)
   (^~ - +:) Newton 0.5
|domain error: deriv_jcalculus_
|       13!:8(3)

Thanks,

On Wed, Feb 5, 2020 at 7:34 AM Henry Rich <henryhr...@gmail.com> wrote:

> I misread your function.
>
>     (^~ - +:) Newton 1.1
> 0.346323j1.2326e_32
>     (^~ - +:) Newton 0.5
> 0.346323
>
> Still need those guardrails!
>
> Henry Rich
>
> --
(B=)
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