Casio fx-9860GII Graphing Calculator, Black
Brand: Casio
Color: Black
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) and much more
1500 KB Flash ROM
Built-in eActivity and spreadsheet applications
Icon-based menu adds to overall intuitive usability
Direct connection to Casio projectors