Sequence Calculator

Find terms, partial sums, and nth terms of arithmetic and geometric sequences.

How to Use This Calculator

  1. Enter your Sequence Type.
  2. Enter your First Term (a₁).
  3. Enter your Common Difference/Ratio (d or r).
  4. Enter your Number of Terms (n).
  5. Click Calculate to see instant results with a step-by-step breakdown.
  6. Use the Share button to copy a link with your inputs pre-filled.

⚠️ Results are for informational purposes only. Always verify important calculations with a qualified professional.