“education and learning”

3D walk-through of the computations inside a small GPT-style language model.

Runs a small GPT-2 model in the page and shows attention and token probabilities as it generates text.

Visual, interactive tutorial and sandbox for learning git commands and branching.

Interactive chess lessons teaching piece movement, captures, and checkmate by playing mini games.

Interactive diagram of a small convolutional network classifying images, running in the page.

Demos of neural networks trained directly in JavaScript for classification, regression and more.

Models fractions with bars and circles to compare and combine them.

Interactive lessons on beats, melody and harmony with a playable grid.

Interactive lessons on synthesizer basics with a built-in synth.

Plots pass/fail students by study versus social media hours and compares linear and non-linear SVM boundaries.

Editable training set of spam and normal messages; type a new message and see how Naive Bayes classifies it.

Pluck virtual strings of different lengths to learn how length changes pitch and harmonics.

Analog and digital clock for teaching telling time.

Build small interactive learning apps such as matching and quizzes.

Stretch rubber bands on a pegboard to explore area, perimeter and shapes.

Train a tiny neural network on toy datasets in the browser and watch the decision boundary form.

Draws a number line with jumps and marks for arithmetic and fractions.

Virtual rekenrek for counting and number combinations.

Coins and bills for teaching counting money.

Base-ten blocks for place value, addition and subtraction.

Ten-frame style grids to show counting and number composition.

Pattern blocks for tiling, fractions and symmetry exploration.

MIDI utility for learning piano scales, chords and more using a connected MIDI keyboard.

Free printable worksheets for kindergarten through grade 5.