# How do you find the sum of a sequence on a TI-83?

## How do you find the sum of a sequence on a TI-83?

Press and hold the “2nd” button then press “STAT.” Scroll to the right to select the “OPS” option, then press “5.” You will now have “Sum(Seq(” on your screen. Enter the equation to the right of igma, then add a comma. For example, if the equation is 3x+2, then type “3x+2,” into the TI-83.

Table of Contents

How do you find the sum of the nth term of a geometric sequence?

The formula to find the sum of the first n terms of a geometric sequence is a times 1 minus r to the nth power over 1 minus r where n is the number of terms we want to find the sum for, a our beginning term of our sequence, and r our common ratio.

### Is a graphing calculator needed for geometry?

For students who are enrolled in Geometry (see NOTE below), any scientific calculator will do. However, for students in Geometry classes, there are reasons to purchase a graphing calculator now. See below. NOTE: Students in Honors Geometry are generally expected to purchase a graphing calculator.

Do all geometric series have a sum?

We can find the sum of all finite geometric series. But in the case of an infinite geometric series when the common ratio is greater than one, the terms in the sequence will get larger and larger and if you add the larger numbers, you won’t get a final answer. The only possible answer would be infinity.

## What is the difference between a geometric sum and a geometric series?

The sum Sn can either be finite or infinite, based on the number of terms. A geometric series is a series with the quotient of the successive numbers constant. It is an Important series found in the study of the series, because of the properties it possesses.

How do I get the sum of the numbers on TI-84 Plus C?

• Press [2ND] [LIST]. • Press [→] to access the MATH menu and choose [5:sum (]. • Press [2nd] [ { ]. • Press [1] [,] [2] [3] [,] [4] [5] [3] [,] [6] [8] [.] [9] [,] [5] [9]. • Press [2nd] [ }] [ )]. • Press [ENTER] to get the answer of 604.9. Please see the TI-84 Plus C Silver Edition guidebook for additional information.

### How do I enter sequsequences on the TI-83 or TI-84?

Sequences are handled on the TI-83 and TI-84 using the seq function. To reach this function from the home screen, press 2nd STAT ▶ 5. On newer calculators, a screen will show up which will guide you through entering the function, though in any case the syntax is the same.

Can the TI-83 Plus do sum and series?

While they may not have the calculus capabilities of the TI-89, the TI-83 Plus and TI-84 Plus have two great functions for dealing with series and sums, the “seq” and “sum” functions. This tutorial explains how to use these features effectively, as well as how to use the summation feature on newer calculators.

## How do you calculate the sum of a given sequence?

Type in the sequence expression [X (1) = A (N-1)], the number of given terms, (obviously) the values of the given terms, and whether or not to graph the sequence. The sequence will be calculated as well as the sum. Better than any other program like it in the archives. Believe me, I’ve downloaded them all!

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