OSE_PAREN</DT><DD>
Evaluate tokens from the Operator stack until an OPEN_PAREN reaches the top of the operator stack; then pop the OPEN_PAREN off the stack.</DD>
<DT>
OPERATOR</DT><DD>If the top token on the Operator stack is an OPERATOR of higher precedence than this OPERATOR, then evaluate top of Operator stack. Repeat until top of operator stack is either not an operator, or is an operator of lower precedence. Finally, push the operator token on the operator stack.</DD>
<DT>
FUNCTION</DT><DD>Push FUNCTIO