Hp 38g Graphing Calculator Manual do Utilizador descarregar pdf (Página 101)

Symbolic View

Keys

Key Meanin©

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

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

Checks/unchecks the current expression.

Only the checked expression is evaluated.

Types an equals sign into the equation.

{{SHOW}} Displays the current equation in standard

mathematical form.

Evaluates the current equation by

substituting other variables for all variables

except the independent variable, which

remains in symbolic form.

1 var|

Menus for entering variable names, contents

1 MATH 1

of variables, or math functions.

m [CHARS]

Displays special characters. To type one,

highlight it and press {{ok}}.

(MD

Deletes the highlighted equation or the

current character in the edit line.

m [CLEAR]

Deletes all equations in the list or clears just

the edit line, if it was active.

Angle Setting The only setting for the Symbolic view is the angle measure.

This is significant only if any of the equation’s variables

contain trigonometric functions.

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

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

setting can affect the numeric solutions, as well as the graph.

Solve 4-3

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Hp 38g Graphing Calculator Manual do Utilizador Página 101