ize for internal computations or
output.<br>
<br>
The arithmetic library functions come in two forms: one form of each
function takes integers as arguments and the other form takes the
encoded form (x's created by a call to <span style="font-family: monospace;">int_encode</span>).&nbsp; For example,
there are two plus functions: <span style="font-family: monospace;">plus</span>
(called with integer arguments and returns an integer) and <span style="font-family: monospace;">int_plus</span> (called with encod