• Calculator Help:  If you need help with a graphing calculator, this website contains helpful instructions for different brands and models of calculators.  Hoonuit has a series for the TI 84 calculator, with small videos for specific tasks.  YouTube has many video tutorials on the different functions of different types of graphing calculators.  HERE is a sample of those types of YouTube channels.  These videos can be very helpful when students are learning new features fo the calculator.