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LiveBook
20th Dimension Sandbox
New & noteworthy
20th Dimension Sandbox
Visualize hyper-dimensional vectors in real time.
By Dr Ada Lovelace
$19.99
one-time
About this LiveBook
Drag a sphere through 20 dimensions and watch its shadow in 3D fight back. Comes with built-in challenges: find the orthogonal complement of a 7-d hyperplane, rotate a tesseract, project a 12-d Mandelbrot.
What's inside
6 interactive tools
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Function grapher
Plot any function in 2D — pan, zoom, trace.
3D plotter
Surfaces, vector fields, parametric curves in 3D.
Vector field viewer
Visualize fields and flows on a moving grid.
3D model viewer
Rotate, scale, dissect 3D objects.
Quizzes
Per-chapter checks with feedback.
AI tutor
Ask questions in context, get answers grounded in the book.
Why LiveBooks
- ✓ Everything runs right in your browser — no setup, no install
- ✓ Lifetime updates as the author adds new chapters and tools
- ✓ Your state stays — bookmarks, parameters, notes