Sigma Symbol (Σ) - Mathematical Summation Notation #233869 (License: Personal Use)

This image displays the uppercase Greek letter sigma (Σ), a fundamental symbol in mathematics for indicating summation over a sequence of terms. It appears frequently in algebra, calculus, statistics (e.g., standard deviation), and physics equations. Its clean, bold typography ensures high legibility in both digital and print contexts.

Used on educational websites, math tutorials, STEM blogs, and documentation pages where explaining notation or formulas is required; matches user intent seeking visual reference for mathematical symbols.