Pi Symbol (π) - Mathematical Constant Icon #2119762 (License: Personal Use)

This high-contrast black-on-white image displays the Greek letter pi (π), the standard symbol for the mathematical constant approximately equal to 3.14159. It is widely used in formulas involving circles, spheres, waves, and Fourier analysis across science and engineering disciplines. The clean, bold typography ensures readability in both digital and print contexts.

Used on educational websites, math tutorials, STEM resource pages, and infographics to visually represent the concept of pi; matches user intent for learning, teaching, or referencing mathematical notation.