Casio FX-991EX Engineering/Scientific Calculator IN 3 COLOR BLACK , PINK & Blue
- 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)