MA133 Operations: Sequences

The Ti-82 and 83 will both list the terms of a sequence
and find the sum of any number of terms.

1) Listing terms of a sequence.

Before using the calculator, you must know the
formula for the general term of the sequence you are listing.

Press 2nd - STAT(list) - OPS - 5 (seq( ) - ENTER
wpe3.jpg (6490 bytes)

To generate the list, put each of the following
after the seq(

	first, the general term and a comma.
	next, the letter that is the variable (probably always x )and a comma
	then the NUMBER of the first term you wish to list and a comma
	finally, the NUMBER of the last term you wish to list. This will generate a list of the first five terms of a sequence with a formula of 3x + 4.

Press ENTER: wpe6.jpg (4250 bytes)

2. To find the sum of a certain number of terms, try the following:

   Press 2nd - STAT (list) - MATH - 5 (sum( ) - ENTER


     After ENTER, your screen
               will look like this:

Now repeat the steps for a sequence
   list so the screen looks like this:

   When you press ENTER,
you will see the sum of the
terms.

	Press 2nd - STAT (list) - MATH - 5 (sum( ) - ENTER
	After ENTER, your screen will look like this:
	Now repeat the steps for a sequence list so the screen looks like this: