Idea of Pi Icon
Pi, the mathematical symbol for the number 3.14 used heavily in trigonometry. A single horizontal line, with two vertical lines stretching underneath, and curving slightly outward from each other.
This Pi icon is made in Material Design style
developed by Google. This style is based on extremely simplified shapes, thin two-pixel lines, and is optimized for 24x24 px. Unlike other vector icon packs that have merely hundreds of icons, this icon pack contains 6,200 icons, all in the same style and quality.