# Geometric progression Calculator

The sum of the terms of a geometric progression, or of an initial segment of a geometric progression, is known as a geometric series.

The general form of a geometric sequence is

a, ar, ar^{2}, ar^{3}, ar^{4}, ....

Use this online calculator to calculate online geometric progression.

## Geometric progression Calculator

### Geometic Sequence Calculator

**Formula:**

Gp = [a r ^{(n-1)}]

Where,

a - first term,

n - last term,

r - common difference.