You also should count left and right parentheses, you have more right ")" than left "(". You should fix that too.
HTH
Rich
--------------------------------------------------
From: "Robert Dodier" <robert.dodier at gmail.com>
Sent: Monday, April 26, 2010 9:24 PM
To: "Dan S" <PhillyFlyers at mail2dan.com>
Cc: <maxima at math.utexas.edu>
Subject: Re: [Maxima] Need help with Maxima (please help)
> On Mon, Apr 26, 2010 at 7:15 PM, Dan S <PhillyFlyers at mail2dan.com> wrote:
>
>> Now I have entered
>> "diff(arccos(x^2+8.363+267)/(sqrt(x^2-4.29x+1042)(x^2+12.8102x+1177))), x);"
>> into Maxima, which I assume should be the right format from the tutorials I
>> have read; but I get an error "incorrect syntax: X is not an infix operator
>> 64)/(sqrt(x^2-4.29x+" there is an arrow pointing at the x after -4.29
>
> You have to put in a multiplication sign -- Maxima doesn't assume that
> (for example) 2 x means 2 times x. You have to write it as 2*x
> (asterisk is the multiplication sign).
>
> Hope this helps, & good luck.
>
> Robert Dodier
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