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About Number2 is offers students access to comprehensive and free online test preparation courses for the ACT and GRE.

How do we do it? earns revenue from sponsorships and licensing. was founded by a group of professors and graduate students who wanted to make high quality test preparation universally accessible. In 1999, Eric Loken and Josh Millet were graduate students studying for their PhDs at Harvard University when they began teaching free SAT prep classes in the Boston area. Seeking to expand their services to the Internet, they teamed up with Vincent Crespi, a professor of physics at Pennsylvania State University, who had created the test prep website called Number2.

Over 2 million students have enrolled in's online courses since its inception. In 2002, was acquired by XAP Corporation, an career and college planning software company based in Culver City, CA.

XAP shares's mission of making higher education more accessible to students of all backgrounds. Joining XAP has allowed to benefit from XAP's resources and expertise in the areas of web design and online product development and to make its test prep courses available to an even wider audience.

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