Permutations and combinations
<p>I am having four set of values,namely  </p>

<pre><code> S(which ranges from x to y with a variation of .5),
 C(which ranges from a to b with a variation of .25),
 A(which ranges from p to q with a variation of 1)
 Ad(which ranges from c to d with a variation of 1.5).
</code></pre>

<p>For each value of S, I should get all possible combinations of values from the other three sets.Can u help me please by suggesting suitable code........</p>
