FREE ONLINE CALCULATOR / ALGEBRA
Geometric Sequence Calculator
Calculate the nth term and finite sum of a geometric progression. Fast, private, and built to make every number easier.
Input values
✦ InteractiveHow does this calculator work?
Calculate the nth term and finite sum of a geometric progression. Edit the inputs and see the computed results. All calculations take place inside your browser, without submitting values to a server.
a_n = ar^(n−1); S_n = a(1−r^n)/(1−r)
Note: The finite-sum expression requires r ≠ 1.
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