Paul's Online Math Notes
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On August 21 I am planning to perform a major update to the site. I can't give a specific time in which the update will happen other than probably sometime between 6:30 a.m. and 8:00 a.m. (Central Time, USA). There is a very small chance that a prior commitment will interfere with this and if so the update will be rescheduled for a later date.

I have spent the better part of the last year or so rebuilding the site from the ground up and the result should (hopefully) lead to quicker load times for the pages and for a better experience on mobile platforms. For the most part the update should be seamless for you with a couple of potential exceptions. I have tried to set things up so that there should be next to no down time on the site. However, if you are the site right as the update happens there is a small possibility that you will get a "server not found" type of error for a few seconds before the new site starts being served. In addition, the first couple of pages will take some time to load as the site comes online. Page load time should decrease significantly once things get up and running however.

Paul
August 7, 2018

Calculus III - Practice Problems
 Next Chapter Partial Derivatives 3-Dimensional Space (Introduction) Previous Section Next Section Equations of Lines

## The 3-D Coordinate System

The Three Dimensional Space chapter exists at both the end of the Calculus II notes and at the beginning of the Calculus III notes.  There were a variety of reasons for doing this at the time and maintaining two identical chapters was not that time consuming.

However, as I add in practice problems, solutions to the practice problems and assignment problems the thought of maintaining two identical sets of all those pages as well as the pdf’s versions of them was quite daunting.  Therefore, I’ve decided to, at this time anyway, just maintain one copy of this set of pages and since I wrote them in the Calculus II set of notes first that is the only copy at this time.

Below is the URL for the corresponding Calculus II page.

http://tutorial.math.lamar.edu/Problems/CalcII/3DCoords.aspx

 3-Dimensional Space (Introduction) Previous Section Next Section Equations of Lines Next Chapter Partial Derivatives

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