About the Sequence & Series

The Sequence & Series tool handles arithmetic progressions (AP) and geometric progressions (GP). Enter the first term and common difference or ratio, choose n, and get the nth term, partial sum Sₙ, sum to infinity (for convergent GP), and the first n terms listed.

How to use the Sequence & Series

  1. Choose AP or GP.
  2. Enter first term and common difference/ratio.
  3. Set n (number of terms).
  4. Click Calculate.

Frequently asked questions

Is this tool free to use?

Yes. The Sequence & Series is completely free with no sign-up and no limits.

Is my data uploaded to a server?

No. All calculations run in your browser using JavaScript. Nothing is sent to any server.

Does it work offline?

Yes. Once the page is loaded, all computations work without an internet connection.

Does it work on mobile?

Yes, it works in any modern browser on desktop, tablet and mobile.

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Related keywords

arithmetic progressiongeometric progressionAP GP calculatornth term calculatorsum of seriesinfinite series convergence