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File:Content/SequencesAndSeries/sum/sum2
CVS-ID:
Author:Design Science, Inc. (E. Cannon, E. Tabacman, R.Miner)
Description:Sum as x goes from a to b of f(x)

passed (p) failed (f) not-tested (n) broken-test (b) some parts pass (s)

Sample Rendering:

$\sum_{x=a}^{b} f(x)$

Source Code:

```
<math xmlns="http://www.w3.org/1998/Math/MathML">
<apply>
<sum/>
<bvar>
<ci> x </ci>
</bvar>
<lowlimit>
<ci> a </ci>
</lowlimit>
<uplimit>
<ci> b </ci>
</uplimit>
<apply>
<fn>
<ci> f </ci>
</fn>
<ci> x </ci>
</apply>
</apply>
[/itex]
```