Summation Calculator
Arithmetic Series
Sum of i^k
Formula
S = n(a₁ + aₙ)/2 for arithmetic; Σi^k computed directly for power sums
Frequently Asked Questions
What is the formula for the sum of an arithmetic series?
The sum of an arithmetic series is S = n(a₁ + aₙ)/2, where n is the number of terms, a₁ is the first term, and aₙ is the last term. For the sum of the first n natural numbers: S = n(n+1)/2.
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