Number Sequence Calculator

Calculate an arithmetic sequence or a geometric sequence and their specific elements based on the input data.

Arithmetic Sequence Calculator

an = a1 + (n − 1) ⋅ d

Geometric Sequence Calculator

an = a1 ⋅ rn - 1

How to use Number Sequence calculators?

  1. Pick the calculator of your choice (Arithmetic Sequence or Geometric Sequence).
  2. Enter the data into the fields: first number, number to obtain, and common difference (for arithmetic sequence) or common ratio (for geometric sequence)
  3. Click on the "Calculate" button.
  4. Get your results.