Program: Graph screen input v2
Calculator:TI-83+/84+/SE
Required Software: xLib or Celtic III
Author: Nathaniel van Diepen (Eeems)

input:
			{x1,y1,x2}->L1
During operation:
			alpha keys--letters
			[alpha]--change case
			[del]--delete last token
			[Clear]--clear all tokens
			[Enter]--enter string
Output:
			Str0--entered string or error
Errors:
		.ER:NO:ST--error no string; no string was entered