Algebra2D

Conic Sections - Theory & Concepts - Eccentricity Explorer

Equations, properties, and graphs of circles, ellipses, parabolas, and hyperbolas.

Current Conic

\frac{d(P, F)}{d(P, D)} = e = 0.70

Eccentricity (e)0.70

Circle (e=0)Ellipse (0<e<1)Parabola (e=1)Hyperbola (e>1)

Directrix Position (d)x = 3.0

Selected Angle (θ)60°

Focus F: (0.00, 0.00)

Point P: (0.78, 1.35)

Distance PF: 1.556

Distance PD: 2.222

Ratio PF/PD:0.700 (≈ e)

PF (Focus Vector)

PD (Directrix vector)

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