Blue Sigma Mathematical Symbol

This image features the prominent uppercase Greek letter sigma, rendered in a striking shade of blue, set against a deep black background. The symbol, which appears with a noticeable pixelated edge, is universally recognized in mathematics as the operator for summation, representing the sum of a sequence of numbers. Its clear and straightforward design makes it easily identifiable for anyone familiar with mathematical notation.

sigma - math - symbol - summation - blue - pixelated