Usage:
* Import the module; a Tk window will appear. (If you accidently destroy the
window, you can restore it with graphing_calc.make_interface())
* If you want to change any parameters, use graphing_calc.change().
* To graph an equation, use graphing_calc.a_graph().
For specific information on each function, see appropriete doc string.
* Import the module; a Tk window will appear. (If you accidently destroy the
window, you can restore it with graphing_calc.make_interface())
* If you want to change any parameters, use graphing_calc.change().
* To graph an equation, use graphing_calc.a_graph().
For specific information on each function, see appropriete doc string.
