Not a new "bug" - I've still got J503 for some reason - so:

   +./4.57 4.34 4.44
5.39568e_12

   ABOUTJ_jijs_   NB. nearest thing to JVERSION???
Copyright 1994-2004 Jsoftware Inc.
For information about this and related products:

   Jsoftware Inc.
   P.O. Box 330
   Excelsior, MN 55331
   tel: 952 470-7345  fax: 952 470-9202
   www.jsoftware.com
   i...@jsoftware.com

As Devon and Henry suggest, it's the usual problem with "exact" representation of reals.

Mike



On 15/05/2020 15:17, 'Bo Jacoby' via Programming wrote:
    +./4.57 4.34 4.44
5.39568e_12

NB. this was not the correct answer.  A bug?

    +./x:4.57 4.34 4.44

1r100

NB. this was a work-around
Thanks!
Bo.




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