Define

The define command is located under the interactive list.

Figure 1 - Location of the define command.

A function can be defined on the Casio Classpad II using "define" by assigning a function name from the "abc" keyboard (highlighted below):

Figure 2 - The "abc" keyboard that is used to name a function (Func name).

To define a function, start by writing the function in the Main screen and highlight the input before selcting the define function from the interactive list. When defining a function you will be prompted with the following window:

Figure 3 - The pop-up window when using the define command.

Figure 4 - The define command in action.

• Once a function, such as f, is define you can evaluate that function at x = a by inputting f(a):

Figure 5 - Evaluating a defined function at value x = a.

• Similarly, you can find the value of x such that f(x) = b by using the solve command:

Figure 6 - Solving a defined function.