Approximately Equal Double Tilde black outline icon
Two stacked wavy horizontal lines forming the approximately equal mathematical sign
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About the Approximately Equal Double Tilde black outline icon
Two long wavy strokes sit one above the other with matching amplitude and spacing, drawing the approximately equal sign used in mathematics for rounded values, estimates and near matches. The curves are thin and horizontal, so the mark reads as typeset notation rather than decoration. Use it in math and science teaching materials, calculator and converter interfaces, currency and unit conversion screens, spec sheets that quote approximate figures, and data dashboards comparing similar values.
Both lines share the same length and shallow S-curve, and the even gap between them keeps the pair from merging into a single ripple. It belongs with the equals, not-equal, plus-minus, greater-than and less-than icons in the math operator set. Set it at text height next to numbers, and avoid sizes under 16 px where the waves flatten into straight lines.
This is the black outline version of the approximately equal double tilde icon: even, monoline strokes that stay crisp at small sizes and suit clean, minimal interfaces, wireframes and light backgrounds.
Download it free as a scalable SVG vector or transparent-background PNG in seven sizes (16 to 512px), copy the SVG code straight into your project, or open it in the free online editor to change colors, apply gold, silver, neon and gradient styles, animate it, or convert it to EPS, PDF and DXF.
Free for personal and commercial use with attribution.
