By default, the calculator is set to stack method, which took some time to get used to. Rather than typing an equation then hitting the “enter” key, I had to input the numbers in the equation ...

Using the Graphing Calculator app, you can save equations and graph them. After you open the Graphing Calculator app, click the equations button and type in your equation using the custom keyboard.

Any graphing calculator will let you input an equation and show you the result. Casio's Prizm does this in reverse. The color screen will display a picture, and will draw a line over the top of ...