edu-analytic-geometry
Solve an analytic geometry problem into a self-contained interactive teaching webpage: left column problem statement + dynamic console (one variable-parameter slider driving real-time recomputation of geometric quantities + theoretical range/constant-value indicator), middle column KaTeX step-by-step solution, right column 2D Canvas dynamic geometry board (ellipse/hyperbola/parabola/circle + moving line/moving point + vectors + labels + pen doodling).…