Casio - Graphic Calc Plus - FX9860GII

·The advanced Graphing Calculator from Casio is now more advanced: In addition to the features and functionality you've always loved in the 9860G, there are several enhancements in the GII model that will be sure to please
·The fx-9860GII allows for powerful, quick Calculations - comparable with the TI-84 Plus and TI-84 Plus Silver Edition
·REF/RREF Function
·Random Integers
·Unit Conversion
·New types of regressions
·Chi-squared GOF function
·9 new probability functions
·Pie charts & Bar Graphs
·Graph X=f(Y)
·(not C.A.S.)