I present to you, Tunnel for Nspire!
So, after some coding, I have come up with this nifty program that ClrDraw made for the ti84!
But this one is for the nspire!
And, like usual, this will require ndless r903!
Here is a screenshot of it!
(http://i.imgur.com/XJwjJX1.png?3611)
With this as the original:
(http://www.omnimaga.org/index.php?action=dlattach;topic=17354.0;attach=16260;image)
And a link to the thread: http://ourl.ca/19951 (http://ourl.ca/19951)
Source code is included!
Stupid edit: The link: http://www.mediafire.com/download/4938o3bptac52ha/tunnelspire.zip (http://www.mediafire.com/download/4938o3bptac52ha/tunnelspire.zip)