Exploring the actual weightings for the CPI-U basket of goods. Created by Sal Khan.
In this video we use some examples of actual option quotes to better understand options as a financial derivative. Created by Sal Khan.
Take time with Ad Reinhardt's black canvases and discover the rewards of contemplation. Created by The Museum of Modern Art.
Ad Reinhardt, Abstract Painting, 1963, oil on canvas, 60 x 60 inches (The Museum of Modern Art) Speakers: Salman Khan & Steven Zucker. Created by Steven Zucker and Sal Khan.
Adding a tail. Created by Karl Wendt.
An overview of Adding an event listener
In this video we explore how to derive the demand for a factor of production based on how productive that factor is and how much additional revenue that factor brings in. Created by Sal Khan.
Learn how to add event listeners in jQuery so that your JavaScript can respond to events on the page, like when a user clicks a button or drags an image.
To add the vectors (x₁,y₁) and (x₂,y₂), we add the corresponding components from each vector: (x₁+x₂,y₁+y₂). Here's a concrete example: the sum of (2,4) and (1,5) is (2+1,4+5), which is (3,9). There's also a nice graphical way to add vectors, and the two ways will always result in the same vector.
Learn about the adjective order of Standard American English and your new favorite memory aid: DOSA-SCOMP.
Explore the mechanics of adjustable rate mortgages (ARM) in this video, including how they work and in what situation an ARM might be advantageous and when it might work against you.
Leonardo da Vinci, Adoration of the Magi, 1481, oil on panel (Galleria degli Uffizi, Florence) http://smarthistory.khanacademy.org/leonardo-adoration-of-the-magi.html. Created by Beth Harris and Steven Zucker.
Paige and David talk about using apostrophes to show that something belongs to multiple people.
Some advice from our storytellers.
More advice to new writers.
Advice on editing.
Advice for storytellers.
Advice from storytellers on structure.
Advice from our storytellers.
TL;DW: affect's a verb and effect's a noun. But there's a little more to it than that.