Example:
{{{
var('q r')
fp = q / r
fn = -q / r + r / -q
print(fp)
print(fn)
show(fp)
show(fn)
html("$fp = %s$"%(latex(fp)))
html("$fn = %s$"%(latex(fn)))
}}}
Output:
{{{
q/r
-q/r - r/q
\newcommand{\Bold}[1]{\mathbf{#1}}\frac{q}{r}
\newcommand{\Bold}[1]{\mathbf{#1}}\frac{q}{r} + \frac{r}{q}
fp = \frac{q}{r}
fn = \frac{q}{r} + \frac{r}{q}
}}}
OS: Linux 2.6.32-22-generic #36-Ubuntu SMP Thu Jun 3 22:02:19 UTC 2010
i686 GNU/Linux
sage 4.4.3 build from sourcesource
also tested on www.sagenb.org
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