800score’s tests have been the most popular GMAT CAT test series since 1999. 800score GMAT CAT tests are used by four of the seven most-popular GMAT prep companies. Tests include the Integrated Reasoning section and updated for the April 2016 GMAT.

Like the real GMAT, questions are drawn from a pool of over 1,500 questions categorized by difficulty level to match your skill level.

#### Experimental Mode

This is “Experimental Mode” by 800score on Vimeo, the home for high quality videos and the people who love them.

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#### In-Depth Performance Analysis

Learn from your wrong answers with comprehensive explanations. Tests include analytical graphs and performance analysis.

#### Test Pacer

800score’s exclusive Test Pacer is built into the upper-left corner of our tests. This tells you what question you should be on to finish the test on time and acts like a training wheel to help you learn the CAT’s pacing strategies.

#### Pacer Function

This is “Pacer Function” by 800score on Vimeo, the home for high quality videos and the people who love them.

#### Video Explanations

Tests include over 40 video and flash movie explanations for questions students find most vexing (sample video below). View a sample interactive flash explanation.

800score Instructor Dr. Stergious Alexandris
Yale BA, MIT PhD Mathematics, GMAT: 800 (51 Quant , 48 Verbal)

#### Rate / Speed Question (Hard)

Feel free to ask any question below. Dr. Steve Alexandrs, MIT PhD mathematics,. teaches you how to solve a challenging math question. From www.800score.com

#### Built-in Forum and Tutor Support

Many questions are linked from the test directly to GMAT Forums manned by 800score GMAT experts. See an example of a forum thread linked from our test. Or, use the free 24-hour tutor support if you have any problems or questions.

#### 30-day Satisfaction Guarantee

If you encounter any problems with our course and are unsatisfied, email us with your specific issue and we will issue a credit.