Casio FX-991EX Engineering/Scientific Calculator/ Simultaneous and Polynomial Solver / Symbols and numbers appear just as they do in textbook / New Semester Gift
552 Functions 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 Simultaneous and Polynomial Solver Solar Powered with Battery Backup (LR44 Button Cell Battery Included)
