Operation Manual

Chapter 15: CATALOG, Strings, Hyperbolic Functions 274
sub(
sub( returns a string that is a subset of an existing string. string can be a string or a string variable. begin
is the position number of the first character of the subset.
length is the number of characters in the
subset.
sub(string,begin,length)
Entering a Function to Graph during Program Execution
In a program, you can enter a function to graph during program execution using these commands.
Note: When you execute this program, enter a function to store to
Y3 at the ENTRY= prompt.