Sigma Symbol - Mathematical Summation Notation Explained #2257785 (License: Personal Use)

This image displays the uppercase Greek letter Sigma (Σ) in a vibrant lime green fill with a thick dark green stroke, designed for high visibility and clarity. It represents summation in mathematical notation-used to compactly express the addition of a sequence of terms. Commonly seen in algebra, calculus, statistics, and computer science, the symbol is essential for expressing series, averages, and algorithms.

Used in educational content, math textbooks, coding tutorials, and scientific documentation to illustrate summation operations; matches user intent for learning or referencing mathematical notation.