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2008 Bank bailout

In 2008, the entire financial system was at a potential breaking point because of a popping housing bubble. This tutorial breaks down how the government attempted to address this...

2011-2012 Greek Debt Crisis

The Greek government incurred debt beyond its means but didn't have control over its own currency to inflate away its obligations. From austerity, to a bailout, to leaving the...

Acids and bases

Aggregate demand and aggregate supply

This tutorial looks at supply and demand in aggregate-from the perspective of the entire economy (not just the market for one good or service). Instead of thinking of quantity of...

Algebra I

Sal works through the problems from the CA Standards released questions (http://www.cde.ca.gov/ta/tg/sr/documents/rtqalg1.pdf). It is best to go through the "algebra" topic first...

Algebra II

Sal works through 80 questions taken from the California Standards Test for Algebra II (http://www.cde.ca.gov/ta/tg/sr/documents/rtqalg2.pdf). If you struggle with these you can...

Alkene reactions

In this tutorial, Sal introduces reaction mechanisms and demonstrates a few reactions of alkenes.

American Civics

Videos about how government works in the United States.

Amines in reactions

In this tutorial, Sal shows amines acting as nucleophiles in SN1 and SN2 reactions.

Analyzing functions

You know a function when you see one, but are curious to start looking deeper at their properties. Some functions seem to be mirror images around the y-axis while others seems to...

Analyzing linear functions

Linear functions show up throughout life (even though you might not realize it). This tutorial will have you thinking much deeper about what a linear function means and various...

Angles

Identifying, measuring, and calculating angles.

Animation

Drawings are cool, but animations are cooler. Learn how animation works with programming.

Arterial Stiffness

Find out why having "stiff arteries" can increase blood pressure and cause uneven blood flow. It all comes back to the idea of "total energy"!

Asthma

Learn how asthma causes breathing difficulties in adults and children

Average costs (ATC, MC) and marginal revenue (MR)

In this tutorial, Sal uses the example of an orange juice business to help us understand the ideas of average total cost (ATC), marginal cost (MC) and marginal revenue (MR). We...

Average fixed, variable and marginal costs

Using a spreadsheet, Sal walks through an example of average costs per line of code as a firm hires more engineers. Really good primer to understand what average fixed costs,...

Balance of payments- current account and capital account

In this tutorial we will see how trade and assets (including money) changing hands are fundamentally intertwined. Not only that, but we will see how this can be accounted for...

Banking and Money