Sigma Symbol black filled icon
Bold uppercase Greek letter sigma, the mathematical summation sign
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About the Sigma Symbol black filled icon
The uppercase Greek letter sigma drawn as a solid glyph with crisp angled arms meeting at a sharp central point. In mathematics it is the summation operator, so it stands for totals, aggregation and statistical calculation as much as for the Greek alphabet itself. Use it in spreadsheet and calculator toolbars, formula editors, statistics dashboards, math and physics course pages, and science or fraternity themed layouts.
Proportions follow a classic serif-free letterform: heavy diagonals, thinner horizontal bars, and slight flare at the terminals that keeps the top and bottom strokes from looking cut off. It pairs with pi, infinity and percent glyph icons. As a text-like mark it carries very small sizes well, but keep clear space around the sharp apex.
This is the solid black filled version of the sigma symbol icon: a bold silhouette that reads clearly at 16-24 px and on dark or busy backgrounds, and prints well in one colour.
Get it free as an SVG vector or transparent PNG (16-512px), copy the SVG code, or restyle it in the free online editor — recolor any part, add gold, neon or gradient effects, animate it, or export EPS, PDF and DXF.
Free for personal and commercial use with attribution.
