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Math and Science / Re: .9 repeating equals 1?
« on: January 10, 2014, 02:45:02 pm »
The following is an argument that makes sense to me: two real numbers are different if and only if their difference (the result of subtracting them) is not 0.  If we look at the result of subtracting .9repeating from 1, it is certainly nonnegative, but it is also less than .1, .01, .001, and so on.  So whatever this number is, if it is positive, we can find a (negative) power of 10 that is smaller than it and that it must be smaller than.  Since two numbers x and y cannot have both x>y and x<y, we have arrived at a contradiction.  Therefore, this number cannot be positive, and must be 0.

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General Discussion / Re: The inspiration behind my two metal albums
« on: January 10, 2014, 02:34:41 pm »
I am downloading Ancient Kingdom and looking forward to checking it out.  Thanks for providing the links.

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Introduce Yourself! / Re: New User
« on: January 10, 2014, 02:26:43 pm »
Ah, I should clarify!

I want to be able to use Notepad++ while coding on my computer.  I just don't want to copy/paste my code into the NSpire script editor every time I want to run it.

Thanks for the link, Jim.  I will check it out.  Admittedly, I have never used any thing "command line" for my programming; somehow always been intimidated by it and sought more user-friendly options.

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Introduce Yourself! / New User
« on: January 10, 2014, 02:11:03 pm »
Hi everyone

I am a first year high school math teacher in the US.  Since I was fortunate enough to have a set of NSpires and a Navigator system in my classroom, I have started coding scripts in Lua to create activites for my classes.  I am hoping to contribute to this forum, as well as learn more about coding in Lua for the NSpire.  I have a few "finished products" that I could share, but I'm not sure how or where I would do so. 

I have been coding for a long time, but only as a hobby.  In high school I did the USACO contests, and in college I worked through about 100 problems on Project Euler.  The language I am most familiar with is Python, but I have also worked with C++, Java, and Mathematica. 

So far I have been writing code in the Script editor built into the NSpire software.  I would prefer to use a fancier text editor (Notepad++) so that I can collapse blocks of code.  Is there any way that I can edit code inside a separate text editor and still be able to easily see the result in the NSpire software?  I thought about "importing" the file into a page of a .tns file, but could not find a way.

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