Geometric Series Calculator

Multiplying Pattern

A geometric series adds terms where each term is found by multiplying the previous term by a fixed ratio.

Formula: sum = a(1 - r^n) / (1 - r), when r is not 1.

Understanding Geometric Series

1. What This Calculator Measures

A geometric series adds terms that change by multiplying by the same common ratio.

2. How the Calculation Works

The calculator finds the last term and sum using the geometric series formula, with a separate simple rule when the ratio is 1.

3. Formula or Rule Used

sum = a(1 - r^n) / (1 - r).

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