●High Resolution Display to view more data like spreadsheets & 4x4 matrix calculations ●Natural Text book display - symbols and numbers appear just as they do in textbook ●Numeric Integration/Differentiation. 552 functions ●Simultaneous and Polynomial Solver ●Solar Powered with Battery Backup (LR44 Button Cell Battery Included) ●Input and display fractions, powers, logarithms, roots, and other mathematical formulas and symbols just as they appear in textbooks.