# The Seq Function; The Map Function; Reference - HP 48gII User Manual

Graphing calculator.

## The SEQ function

The SEQ function, available through the command catalog (‚N), takes
as arguments an expression in terms of an index, the name of the index, and
starting, ending, and increment values for the index, and returns a list
consisting of the evaluation of the expression for all possible values of the
index. The general form of the function is
SEQ(expression, index, start, end, increment)
For example:
2
2
2
2
The list produced corresponds to the values {1
, 2
, 3
, 4
}.

### The MAP function

The MAP function, available through the command catalog (‚N), takes
as arguments a list of numbers and a function f(X), and produces a list
consisting of the application of function f or the program to the list of numbers.
For example, the following call to function MAP applies the function SIN(X) to
the list {1,2,3}:

### Reference

For additional references, examples, and applications of lists see Chapter 8 in
the calculator's user's guide.
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