How does the Parabola Calculator work?

Vertical: y = x²/(4f) where f = focal length Then: Focus at (0, f) · Directrix at y = −f Then: Latus rectum length = 4f.

Can you give an example of how to use the Parabola Calculator?

Example: Input Parabola y = x²/12 gives a result of Focus (0, 3) · Directrix y=−3 · Latus rectum 12 (p=3, so f=3).

Is the Parabola Calculator free to use?

Yes — completely free with no registration, download, or subscription required. All calculations happen instantly in your browser.

How accurate is the Parabola Calculator?

Our Parabola Calculator uses verified mathematical formulas and is accurate to multiple decimal places. Results are calculated in real-time using the same methods used by professionals.

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Parabola Calculator

📐Parabola Calculator

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A parabola is the set of points equidistant from a focus and a directrix. It is the path of projectiles under gravity and the shape of reflecting telescopes, satellite dishes, and car headlights.

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Did You Know?

Parabolic reflectors focus all parallel incoming rays to one point — enabling satellite dishes and reflecting telescopes. Discovered by Diocles around 190 BC.

References

›Parabola — Wikipedia

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Parabola Calculator

📐Parabola Calculator

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