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yroc (6) [Avatar] Offline
Hi Christopher,

Thanks for writing the book. I'm just in chapter 1 now, evaluating it as a teaching tool. I was surprised that there was no mention of degrees vs. radians in the example on graphing sine and cosine. Of course the calculator must be in radian mode for the ZStandard window to display the graph as expected, but this would probably be totally lost on someone lacking a trigonometry background. Perhaps just a quick "Make sure the calculator is in radian mode." somewhere in the section would have been warranted.

christopher.mitchell (11) [Avatar] Offline
Cory, thank you for that suggestion. That makes a lot of sense, and certainly would make that section clearer for beginners. I hope that your evaluation of the book as a teaching tool turned out well, and since I'm hoping to release an updated version of this book very soon, please feel free to contact me directly via email (see with any thoughts, feedback, and suggestions you may have.