Name: Electron Configuration
Version: 1.6
Author: Nishad Phadke (nishad.phadke@hotmail.com)
Date: Ded. 24, 2010
Tested on TI-89 HW 2.00 OS 2.09.

Documentation:
1. Type in the function's name in the home screen.
2. Type the atomic number (1 through 118) of the element and press <enter> to return the complete electron configuration as a string.
--OR--
3. Follow the above steps and add an argument of '0' to get the same result.
--OR--
4. Add a '1' instead of '0' to return the abbreviated electron configuration as a string.

Examples:
econfig(19) or econfig(19,0) --> "1s2 2s2 2p6 3s2 3p6 4s1"
econfig(21,1) --> "[Ar] 4s2 3d1"

History:
Version 1.6 (12/24/2010)
	-Reduced program size by 10 bytes while maintaining functionality
Version 1.5 (11/25/2010)
	-Fixed bug of error when atomic number exceeds 118
Version 1.4 (11/25/2010)
	-Fixed Address Error bug
	-Smaller program size
Version 1.3 (11/19/2010)
	-Known bug: Address Error when 128 is inputted for the first argument