5-3-7

Drawing a Graph

uTo change the type of a function *1

1. While the Graph relation list is on the display, press f or c to move the highlighting to the area that contains the function whose type you want to change.

2. Press 3(TYPE)5(CONV).

3. Select the function type you want to change to.

Example To change the function in memory area Y1 from y = 2x2 – 3 to y < 2x2 – 3

3(TYPE)5(CONV)3('Y<) (Changes the function type to “Y<”.)

uTo delete a function

1. While the Graph relation list is on the display, press f or c to move the highlighting to the area that contains the function you want to delete.

2. Press 2(DEL) or D.

3. Press 1(Yes) to delete the function or 6(No) to abort the procedure without deleting anything.

 

 

*1 The function type can be changed for

# Parametric functions come in pairs (Xt and Yt).

 

 

 

 

rectangular coordinate functions and

 

 

 

inequalities only.

 

 

 

 

 

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