Sigma Summation Letter black outline icon
Uppercase Greek letter sigma, the summation sign, in outline
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About the Sigma Summation Letter black outline icon
A single uppercase Greek sigma is drawn with even strokes: two horizontal arms top and bottom, short returns at their right ends, and a sharp central point where the diagonals meet.
In math it is the summation operator, in statistics a stand-in for totals and standard deviation. Fits spreadsheet toolbars, calculator apps, formula editors, education materials and data analytics dashboards.
This is the black outline version of the sigma summation letter icon: even, monoline strokes that stay crisp at small sizes and suit clean, minimal interfaces, wireframes and light backgrounds.
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.
