Geometric Sequence Sum Calculator

Calculate the sum of a geometric sequence given the first term, common ratio, and number of terms. Shows the formula, individual terms, and infinite sum when the ratio is less than 1.

How to Use Geometric Sequence Sum Calculator

Enter the first term (a), common ratio (r), and number of terms (n) to calculate the sum of the geometric sequence. The tool shows the formula used and lists the first terms.

Step-by-Step Instructions

  1. Enter the first term of the sequence
  2. Enter the common ratio between terms
  3. Enter the number of terms to sum
  4. View the sum, formula, and individual terms

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