[Official CASIO Scientific & Graphing Calculator website] Choose the best from our Handheld and Software of Scientific/ Graphing Calculators.
CASIO Calculator Emulator V20.8.1166款（部分试用，可以自己尝试和谐）百度网盘：https://pan.baidu....
fx-83GT PLUS, fx-85GT PLUS fx-991ID PLUS fx-82LA PLUS, fx-350LA PLUS, fx-570LA PLUS, fx-991LA PLUS fx-55 PLUS fx-96SG PLUS fx-570VN PLUS fx-82ZA PLUS, fx-991ZA PLUS
Solving equations for variable X is possible with the equation solver in the fx-991ES PLUS calculator. Once the equation has been entered, the calculator uses Newton-Raphson numerical method to solve the equation.