Welcome to the future of mathematics education: Text-books in which Jonathan Lewin actually teaches you the mathematics. Jonathan Lewin's teaching has been recognized in several recent awards:
The 2012 Distinguished Teaching Award of Kennesaw State University
The 2009 Distinguished Teaching Award in the College of Science and Mathematics of Kennesaw State University
The 2004 Distinguished E-Learning Award in the College of Science and Mathematics of Kennesaw State University
You can view Virtual Math Tutor and Virtual Calculus Tutor, both in a book form and a video form.
Use the book form to browse quickly and effortlessly. Then, any time you prefer to receive more help than a document can supply, click on a link that takes you into the video form of the product.
You can enter the video at exactly the point you were reading in the document.
The video form takes you into a virtual classroom where you will feel as though you are working with a real instructor. Each video is supplied with a dynamic table of contents that makes it easy for you to jump to the exact point in the video that you need to see. You can pause the video at any time, make it repeat anything that you want to see again, or jump to any other chosen point in the video.
Both Virtual Math Tutor and Virtual Calculus Tutor provide careful development of the principles and the complete solutions to many hundreds of exercises. Regardless of which precalculus or calculus courses you are taking, you will find that Virtual Math Tutor and Virtual Calculus Tutor will increase your understanding, propel you forward, and help raise your grades.