You are spot on!
I just changed my keyboard to US - it was indeed US international, and all world perfectly!
Thanks very much for your quick and accurate reply!
Marco
On Oct 24, 2012, at 12:28 PM, Stavros Macrakis <macrakis at alum.mit.edu> wrote:
> You are probably using a non-ASCII input mode (such as US International) and entering the character (?) instead of (^).
>
> It would be nice if Maxima and wxMaxima were internationalized so that they accepted these as synonymous (and also allowed Greek letters etc. on input). It would also be nice (and much easier) if instead of going into an infinite look of errors, it simply reported an input error.
>
> -s
>
> On Wed, Oct 24, 2012 at 4:35 PM, Marco Koster <marco.koster at gmail.com> wrote:
> Hi,
>
> I have tried to find a solution tot this error on the internet, but have not been successful. I am running version 5.38.0 on Mac 10.8.2.
>
> When I put a simple expression in wMaxima and ask it to factor it (or derive it, or integrate it), the system crashes and outputs the following error message several times:
>
> Maxima encountered a Lisp error:
> decoding error on stream
> #<SB-SYS:FD-STREAM for "socket 127.0.0.1:56693, peer: 127.0.0.1:4010"
> {13649991}>
> (:EXTERNAL-FORMAT :ASCII):
> the octet sequence (203) cannot be decoded.
> Automatically continuing.
> To enable the Lisp debugger set *debugger-hook* to nil.
>
> I had this issue with previous version, and am currently trying it again with latest version (5.28.0), but result is the same.
>
> The same version works fine on a Ubuntu installation.
>
> Thanks for your help,
>
> Marco
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