Four triangles in one square, slid into new places: the empty space shows a² + b² = c².
Example of Math Director16:9 · 71 s
From OpenStax Prealgebra 2e, 9.3 and cut-the-knot proofs #4 and #9.
Math Director
A result derived on screen, one step you can follow at a time.
Install it in your coding agent from its skill page: the install prompt, what it needs and the price are there.
Install or buyMore example films
Where should you fetch water so the walk is shortest? Try a few places, then reflect B in the river and go straight: 10 km.
Example of Math Director16:9 · 99 s
A problem written for the film; every length computed and checked two ways.
The sum written forwards and backwards: every column adds to n + 1, checked with dots, then 5,050.
Example of Math Director16:9 · 71 s
From OpenStax Algebra and Trigonometry 2e, 13.4.
Built-in styles
Chalk Math
Equations and graphs that transform step by step.
Worked Problem
Try first, then the trick, every length computed, ending on the check.
More in Teach
Explainer Director
Finds the shape of an idea and makes the thing itself move.
Built-in styles: Mechanism · System Map · Flat World · Papercut · Collage · Whiteboard
Lesson Director
Steps, reveals and quizzes that check the viewer kept up.
Built-in styles: Whiteboard · Chalk Math · Flat World
Paper Director
A paper's question, method and finding, every claim cited.
Built-in styles: Paper Figures · Mechanism · Chalk Math
Timeline Director
Events in order, every date and claim sourced.
Built-in styles: Collage · Papercut · Flat World