Square Root Radical black filled icon
Mathematical square root radical sign with a long horizontal overbar
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About the Square Root Radical black filled icon
The radical sign on its own: a short rising tick, a sharp V that drops to a point, and a long horizontal bar running to the right where the radicand would sit. It stands for roots, exponents and arithmetic in general, which suits calculator keypads, math tutoring apps, equation editor toolbars, exam and homework platforms, engineering software menus and science presentation slides.
Everything is built from four straight segments with a constant stroke and no rounding at the joints, so the notation stays true to printed math. The wide empty area under the overbar reads as space for a number. Use it beside pi, sigma, percent and infinity icons, and keep it in a wide box.
This is the solid black filled version of the square root radical 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.
