Number Sequence Calculator
Generate arithmetic or geometric number sequences from a starting value, step, ratio and term count.
How to use this calculator
Enter the requested values, then select Calculate. Results are processed locally in your browser for this static website.
Accuracy notes
Results may be affected by rounding, unit conventions and the assumptions shown by the calculator. Verify important calculations independently.
What this calculator solves
Generate arithmetic or geometric number sequences from a starting value, step, ratio and term count. This page provides the interactive calculation together with a plain-language explanation so the result can be checked against the underlying method.
Science and formulae
Arithmetic sequences follow a_n = a_1 + (n−1)d; geometric sequences follow a_n = a_1 r^(n−1).
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