Casio technical calculator FX-991CW classwiz

High-definition & 4-gradation display Natural display that shows fractions, square roots and other mathematical expressions in the same way as in the textbook during input and answers. Intuitive, easy-to-learn menu display 540+ functions, variable manager Trigonometric functions, regression analysis, random number generator, prime factorization. Math Box: Dice Roll and Coin Toss for probability simulations. QR code function for online manual and to illustrate graphs and diagrams Function table of two functions f(x) & g(x) Spreadsheet application Distributions (binomial, normal, poisson) Base-n calculations Matrix and vector calculations Integrals, equation solver, complex numbers, 47 scientific constants, 40 metric conversion Solar and battery operation, plastic keys, hard protective cover.