erwink35 Works

Parabola Distance: Focus-Directrix Dynamic Exploration

2018-08-26 23:32

Parabola Focus Distance Demo

2018-08-26 23:38

Parabola Distance from Focus

2018-08-26 23:39

Parabola Tracer by Erwin Zúñiga Torillo

2018-08-26 01:50

Parabola Slide Demonstration

2019-01-10 23:13