Khan Academy, one of the first online math teaching pro bono sites, has gained traction both in terms of publicity and fund raising, when Bill Gates, an ardent supporter, talked about the site at TED Talks and the Gates Foundation gave it a substantial grant.
Since then, the site, which students had chanced on initially, has garnered 64 million registered users worldwide. At least 15 million students practice regularly. Over a billion videos have been watched, and 10 billion problems solved. In India , two million users have signed on and there are a million monthly users.
But
Since then, the site, which students had chanced on initially, has garnered 64 million registered users worldwide. At least 15 million students practice regularly. Over a billion videos have been watched, and 10 billion problems solved. In India , two million users have signed on and there are a million monthly users.
But