ond argument:

<pre>
in base as Integer
</pre>

It's quite similar, but in this case Integer is capitalized.  This is 
to show that capitalization does not matter.

<p>After the closing parenthesis, there is an as clause giving the type
of the return value.  In this case, it is returned as a String.

<p>Now look at the second function:

<pre>
decValue = BaseToDec(in s as String, in base as Integer) as integer
</pre>

Note that the first argument is declared as an in argument with 
a type 