algebra calculators

Arithmetic Sequence Calculator

Find terms, sum, and analyze arithmetic sequences with common difference

About this calculator

An Arithmetic Sequence Calculator helps you find specific terms, calculate sums, and analyze sequences where each term increases by a constant value called the common difference. This tool is essential for students, mathematicians, and professionals working with linear patterns in data analysis, finance, or engineering. Whether you're solving homework problems, analyzing growth patterns, or calculating loan payments, this calculator simplifies complex arithmetic sequence computations and saves valuable time.

How to use

Enter the first term of your sequence and the common difference (the constant value added between terms). Specify which term you want to find or how many terms to sum. Click calculate to get your results, including the nth term value, partial sums, and sequence analysis.

Frequently asked questions

What is an arithmetic sequence?

An arithmetic sequence is a series of numbers where each term after the first is found by adding a constant value called the common difference.

How do I find the common difference?

Subtract any term from the next term in the sequence. For example, if you have 2, 5, 8, the common difference is 3.

Can the common difference be negative?

Yes, a negative common difference creates a decreasing sequence where each term is smaller than the previous one.