Money, business and markets, made clear.

Ten courses, from your own budget to whole economies. Short lessons where every idea comes with something you can drag, change and break.

3 courses open · 90 chapters · 7 more coming soon

Supply and demand

Move the curves and watch the equilibrium follow. Nothing here is fixed except the shape of the relationship.

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10 courses, three levels

Start on the first level, where nothing comes before. Each level builds on the one above it, so you always know what to take next.

3 open now · 90 chapters · more on the way

  1. 1
  2. 2
  3. 3

Every course follows one story.

River Roast, a coffee roaster and cafe run by Nadia Farrow. Aida, who bakes and sells bread, Rina, a competing producer, and Timur, who tutors and buys groceries. Numbers come back, so concepts have something to hold on to.

Business

River Roast, a coffee roaster and cafe run by Nadia Farrow.

Microeconomics

Aida, who bakes and sells bread, Rina, a competing producer, and Timur, who tutors and buys groceries.

Five ways to play with an idea

If a lesson could be a static page, it isn't finished.

GraphsDrag sliders, watch curves meet.
ChartsStep through real-looking data.
ModelsChange inputs, see results update.
DiagramsTrees, timelines, flows of money.
SimulationsWatch it play out over time.

One price, every course

Chapter 1 of every course is free, for good. No card needed to try.

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  • Chapter 1 of all ten courses
  • Daily goal and streak
  • Progress across courses
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  • Spaced review of weak concepts
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Start with your own money.

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