Casio CLASSPAD330 - Graphing Calculator Manual de usuario descargar pdf (Pagina 3)

P1: FXS/ABE P2: FXS

9780521740524apxb.xml CUAU021-EVANS January 1, 1904 6:58

AppendixB—Computer Algebra System (Classpad 330 using OS 3 or above) 695

characters. If you have already executed a command, you can still use the stylus to go back and

make a correction and then execute again. To clear the screen (in any program section of the

calculator, select Edit—Clear all.Toclear values or functions which have been saved in

memory locations, select Edit—Clear all variables.Toclear individual variables, without

clearing them all, use

—Variable manager.You can double-click on various subfolders to

expand them and then select items to delete using the Edit submenu items.

Note also that, like using a Windows computer program, you can highlight, copy, paste and

drag-and-drop expressions, or parts of expressions, to create new expressions in the entry line.

B.2 Using the Main menu

In this section the Main menu is explored. Work through it to become acquainted with the

menu.

There are two ways to operate in this menu, but the Interactive menu is the simplest when

used in conjunction with the stylus. In this section

we shall to demonstrate some examples of how

this is used.

Solve

This is used to solve equation and inequalities. The

variables x, y and z are found on the hard keyboard.

Other variables may be entered using the

and selecting VA R .Variables are shown in bold

italics. The

abc keyboard allows you to type

sentences, etc.; however, the letters are not

always recognised as variables. If you choose to

use the

abc keyboard, you must type a × x,

for example, as ax will be treated as text.

Forexample:

Enter ax + b = 0, highlight it with the stylus, tap

Interactive—Equation/inequality—solve and

ensure the variable selected is x. Solution returned

is x =−

Enter x

+ x − 1 = 0, and follow the same

instructions as above. The answer is as shown.

Note:

∧

2 + x − 1 = 0isentered, but the calculator

converts this to standard algebraic notation when

EXE is pressed. Also note in this example

that ‘= 0’ has been omitted. If the right-hand

side of an equation is zero, it is unnecessary to enter it.

Cambridge University Press • Uncorrected Sample Pages •

2008 © Evans, Lipson, Wallace TI-Nspire & Casio ClassPad material prepared in collaboration with Jan Honnens & David Hibbard

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