The FX9860GIIS has a built in spreadsheet application, as well as Natural Display-2D mathematical templates that look identical to what you would find in a textbook.
Natural Display Input/Output
Built in Spreadsheet Application
200 hours of battery life
Capable of graphing X=relations
Built-in graphing of conic sections
Streamlined solving of intercepts, intersections, etc.
Easily calculato values for given independent/dependent values.
Interactive Equation Solver
Ability to edit previous entries
Statistics regressions and graphical displays
Data collection compatible (with separate EA-200 device)
128 x 64 display
Statistics Residual Calculations
Numeric differentiation and integration
Direct-connect to compatible projectors
Matrix operations and inverses
Not a Computer Algebra System (CAS)
Permitted on all major exams.