Free Graphing Calculators — Desmos & GeoGebra
Embed totally free graphing tools into your blog — includes copy-ready HTML, sample equations and accessibility tips.
Desmos (Free)
Fast, classroom-friendly graphing calculator. Use the iframe below or copy the snippet to embed a Desmos calculator instantly.
Copy-ready iframe (Desmos):
<iframe src="https://www.desmos.com/calculator" title="Desmos Graphing Calculator" style="width:100%;height:480px;border:0;"></iframe>
GeoGebra (Free)
Powerful graphing + geometry tool. Embed the GeoGebra Graphing app directly — no signup required for viewers.
Copy-ready iframe (GeoGebra):
<iframe src="https://www.geogebra.org/graphing?embed" title="GeoGebra Graphing Calculator" style="width:100%;height:480px;border:0;"></iframe>
Sample equations to paste into either tool
y = x^2
y = sin(x)
y = e^{-x/3}
x = cos(t)
y = sin(2*t) // parametric (0 ≤ t ≤ 2π)
r = 2 + sin(3θ) // polar
Accessibility & best practices
- Include a short textual summary of the graph purpose and key numbers for screen-reader users.
- Provide a static fallback image (screenshot) for social sharing and slow connections.
- Fix the iframe height (e.g. 480px) to keep post layout stable across devices.