Sigma Notation Summary

Sigma Notation

Summary

the greek letter capital sigma, ∑ can be used to show that a sequence of numbers have to be added together.

a mathematical series is obtained by adding the terms of a sequence of numbers together.

think of ∑ as meaning "the sum of".

Key Skills
  • evaluate sums involving sigma notation
  • express a given series in sigma notation

Vocabulary

sigma notation, arithmetic series, geometric series.