> > sage: i, j, k, l, p, q, s, t = var('i j k l p q s t')
> > sage: e = (2*i+s+t)/((i+s)*(i+t))<(2*i+q)/(i*(i+q))
> > sage: e.exp_simplify()
> > (s + t + 2*I)/((s + I)*t + I*s - 1) < (q + 2*I)/(I*q - 1)
>
> This looks like #6882:
>
> http://trac.sagemath.org/sage_trac/ticket/6882
>
> The maxima interface really needs some attention. Here are some other
> tickets:
>
> #7557 conversion of complex numbers in symbolic expressions to maxima
> broken
>
> #7661 maxima interface gives precedence to function dictionary instead
> of local variables
>
> #7401 Derivative at a point is not translated into Maxima
>
> #2109 the maxima interface doesn't recognize a syntax error (and then
> hangs)
>
> #1660 maxima interface bug caused by bad use of file when evaluating
> large input
>
> I don't have any experience with pexpect interfaces and the time I
> spend on Sage will be really limited in the next few weeks. I'm afraid
> I won't be able to help with these.

One should point out that most of these are "problems" caused by
enhanced Sage functionality that did not exist before, or by the Pynac
switch which causes I to have some sort of weird dual identity (also,
#2109 doesn't hang any more, though it's still not good).

- kcrisman

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