===== Racket Functions ==

==== cons ==

Creates a newly allocated pair.

<code>
(cons <first-value> <second-value>)
</code>

=== car ==

Returns the first value of a pair created with ''cons''.



<code>
(car <pair-created-by-cons>)
</code>

==== cdr ==

Returns the second value of a pair created with ''cons''.

<code>
(cdr <par-created-by-cons>)
</code>

==== cond ==

It's somewhat like a switch statement in other languages:

<code>
  (cond 
    (<condition> <value-if-true>) 
    (<condition> <value-if-true>)... 
    (<value if false>))
</code>

==== string-append ==

Appends strings.  Arguments *must* be strings already.

<code>
(string-append <str1> <strN>...)
</code>

==== number->string ==

Converts a number to a string.

<code>
(number->string <number>)
</code>