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Why is it called "Sigma" Math explained in easy language, plus puzzles, games, quizzes, worksheets and a forum. For K-12 kids, teachers and parents.
Sigma notation (which is also known as summation notation) is the easiest way of writing a smaller or longer sum using the sigma symbol ∑, the general formula of the terms, and the index. Learn how to write sigma notation.
Sigma (/ ˈ s ɪ ɡ m ə / SIG-mə; [1] uppercase Σ, lowercase σ, lowercase in word-final position ς; Greek: σίγμα) is the eighteenth letter of the Greek alphabet. In the system of Greek numerals, it has a value of 200. In general mathematics, uppercase Σ is used as an operator for summation.
Sigma (Σ, σ) is the eighteenth letter of the Greek alphabet. In the system of Greek numerals, it has a value of 200. In general mathematics, uppercase Σ is used as an operator for summation. When used at the end of a letter-case word (one that does not use all caps), the final form (ς) is used.
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Sigma notation is also known as summation notation and is a way to represent a sum of numbers. It is especially useful when the numbers have a specific pattern or would take too long to write out without abbreviation.
In mathematics, the summation symbol, denoted by the uppercase Greek letter sigma (haha) (Σ), holds significant importance. It allows us to express the idea of adding up a sequence of numbers or...
Sigma is the eighteenth letter of the ancient Greek alphabet. As an upper case letter (Sigma), it is used as a symbol for sums and series. As a lower case letter (sigma) it is a prefix used in several contexts to indicate that a term is referred in some way to countable unions.
Use sigma (summation) notation to calculate sums and powers of integers. As mentioned, we will use shapes of known area to approximate the area of an irregular region bounded by curves. This process often requires adding up long strings of numbers.
Sigma (summation) notation is used in mathematics to indicate repeated addition. Sigma notation provides a compact way to represent many sums, and is used extensively when working with Arithmetic or Geometric Series.