Simple Graphing Calculator Allowing users to do basic operations as well as plot functions with a reasonable degree of accuracy.

""" USER INFORMATION

Button Functions:

0,1,2,3,4,5,6,7,8,9 -> Inputs number into calculator
+ -> addition operator
- -> subtraction operator
* -> multiplication operator
/ -> division operatorr
^ -> exponent operator
() -> inputs brackets into the calculator (open bracket on first click, closed on second)
C -> clears the console
x -> inputs a variable x into the console (used for plotting)
P -> plots function (x variable must be present to plot)
	-> proper syntax must be used for plot to be created
	-> Follow MATLAB syntax for example 2x must be inputted as 2*x
= -> evaluates expression

"""