Casio CLASSPAD330 - Graphing Calculator Manual de usuario descargar pdf (Pagina 5)

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) 697

Expand

To expand expressions, use Interactive—

Transformation—expand.

Forexample:

expand

(

a + b

)

expand



a +

√



The expand command can also be used to

form partial fractions. In this case, enter and

highlight the expression, select Interactive—

Transformation—expand, select the Partial

Fraction option and set the variable as x.

Forexample:

Expand

− 1

Expand

+ 2x + 1

− 1

Note:

The top screen shows all the examples;

the bottom screen shows how to enter for

partial fractions.

Zeros

To ﬁnd the zeros of an expression in the menu,

use Interactive—Equation/inequality—solve and

ensure you set the variable. The calculator assumes

you are solving an equation for which one side is zero.

Forexample:

Zeros of x

− 1 for x.

Zeros of x

− y

for y.

Zeros of x

− y

for x.

Zeros of x

− y for y.

Zeros of x

− 4x + 8 for x.Nosolutions.

Zeros of x

− 4x + 1 for x.Two solutions.

Zeros of x

− 4x + 4 for x. One solution.

Approximate

Switch mode in the status bar to Decimal. If an answer is given in Standard (Exact) mode, it

can be converted by highlighting the answer and tapping

in the toolbar.

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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