Secrets of Mental Math

Rated: NR (Not Rated)

One key to expanding your math potential - whether you're a corporate executive or a high school student - lies in the power to perform mental math calculations. Solving basic math problems in your... This description may be from another edition of this product.

• Format: DVD
• Language: English
• Release Date: January 2011
• Rating: NR (Not Rated)
• Publisher: The Great Courses
• Number of Disks: 1
• Other Video Info: dvd_video
• Weight: 0.25 lbs.