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The video tutorials were recorded on his computer. Later, he used a drawing application called SmoothDraw, and now uses a Wacom tablet to draw using ArtRage. Due to the demand, Khan decided to make his videos watchable on the Internet, so he published his content on YouTube. After a while, Khan's other cousins began to use his tutoring service. Starting in 2004, Salman 'Sal' Khan began tutoring one of his cousins in mathematics on the Internet using a service called Yahoo! Doodle Images. As of February 2023, the Khan Academy channel on YouTube has 7.74 million subscribers and Khan Academy videos have been viewed over 2 billion times. All resources are available for free to users of the website and application.Īs of 2018, over 70 million people use Khan Academy, out of which 2.3 million students use it to prepare for the SAT. It has produced over 8,000 video lessons teaching a wide spectrum of academic subjects, originally focusing on mathematics and sciences. Its website also includes supplementary practice exercises and materials for educators. The organization produces short lessons in the form of videos. Its goal is creating a set of online tools that help educate students.

Khan Academy is an American non-profit educational organization created in 2008 by Sal Khan.

Khan academy math geometry