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version 1.3, 2004/05/10 14:27:33	version 1.4, 2005/03/24 16:22:36
Line 5 you to manipulate these strings or numbe	Line 5 you to manipulate these strings or numbe
functions: They take some number of arguments in, and return one argument,	functions: They take some number of arguments in, and return one argument,
usually a number or a string for our purposes. There are a lot of functions	usually a number or a string for our purposes. There are a lot of functions
available in LON-CAPA. You can see a complete list at	available in LON-CAPA. You can see a complete list at
\ref{all functions table}.	\ref{all_functions_table}.

For now, let's just look at some simple examples.	For now, let's just look at some simple examples.