Owner manual

Symbolic View

Keys

Key Meanine

{{EDIT}} Copies the highlighted expression to the edit

line for editing. Press {{OK}} when done.

{{^CHK}} Checks/unchecks the current expression (or

set of expressions). Only the checked

expression(s) are evaluated in the Plot and

Numeric views.

{{X}}, {{T}},

{{0}}. {{N}}

Typing aids for the independent variable. Or,

you can use the |xt6 | key on the keyboard.

{{U1}}...{{U9}}

Additional typing aids for variables in the

Sequence aplet.

Displays the current expression in standard

mathematical form.

{{EVAL}} Symbolically evaluates the variables of the

current expression.

1 VAR|

1 MATH 1

Menus for entering variable names, contents

of variables, or math operations.

■ {CHARS}

Displays special characters. To type one,

place the cursor on it and press {{ok}}.

[M]

Deletes the highlighted expression or the

current character in the edit line.

■ {CLEAR] Deletes all expressions in the list or clears the

edit line (if it was in use).

Angle Measure For the Function, Parametric, Polar, and Sequence aplets, the

Setup only setting for the Symbolic view is the angle measure. This

is significant only if any trigonometric function is used.

To check or change the angle measure, press ■ [SETUP-

SYMB]. The choices are Radians, Degrees, and Grads. This

setting can affect what the graph looks like, as well as what

the numerical values are.

3-4 Plotting and Exploring Functions