Geometric Series Sum Formula
Calculates the sum of a finite geometric sequence when the common ratio is not one.
Formula
S = a × (1 - r^n)/(1 - r)
Discipline: Mathematics. Result unit: dimensionless.
Variables and units
- S — Series Sum: Sum of the sequence terms
- a — First Term: First value in the sequence
- r — Common Ratio: Ratio between consecutive terms
- n — Number of Terms: Number of terms in the sequence