Used only once. Advanced graphing calculator compatible for AP / SAT / SAT Subject Tests / PSAT / NMSQT / ACT / IB.
USB Cable & Unit-to-Unit cable included. box not included.
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
Data transfer from unit-to-unit and from unit-to-computer
New LCD backlight for superior visibility
