Geometric Sequence Calculator

Welcome to the Geometric Sequence Calculator. Before we continue, note that we use the words "terms" and "numbers" interchangeably on this page. We also assume that all sequences are infinite.

The first calculator below is appropriate when you have the first number and the common ratio of a geometric sequence, and you want to see the beginning of the sequence, the nth term (number) in the sequence, and the sum of all numbers up through the nth number in the geometric sequence.

With our second calculator below, you can enter the first three numbers (terms) of a sequence. We will determine if it is a geometric sequence and provide further information about it.

Here are some examples of geometric sequences that you may find interesting.

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