beautypg.com

Casio ALGEBRA FX 2.0 Computer Algebra System and Tutorial Modes User Manual

Page 11

background image

19990401

u combine (combin)

Function: Reduces a fraction.

Syntax: combine( {Exp/Eq/Ineq} [ ) ]

○ ○ ○ ○ ○

Example

To reduce the fraction (X + 1) / (X + 2) + X (X + 3)

1(TRNS)h(combin)(v+b)/

(

v+c)+v(v+dw

u collect (collct)

Function: Rearranges an expression, focusing on a particular variable.

Syntax: collect( {Exp/Eq/Ineq} [,Exp-1/, variable] [ ) ]

○ ○ ○ ○ ○

Example

To rearrange X2 + AX + BX, focusing on the variable X

1(TRNS)i(collct)vx+av(A)v+

al(B)vw

X2

+ (A + B)X

• X is the default when nothing is specified for [,Exp-1/, variable].

u substitute (sbstit)

Function: Assigns an expression to a variable.

Syntax: substitute( {Exp/Eq/Ineq}, variable=expression [,..., variable=expression] [ ) ]

○ ○ ○ ○ ○

Example

To assign 5 to X in 2X – 1

1(TRNS)j(sbstit)cv-b,

v!.(=)fw

9

u cExpand (cExpnd)

Function: Expands

x

th root of imaginary number.

Syntax: cExpand( Exp [ ) ]

○ ○ ○ ○ ○

Example

To expand 2 i

1(TRNS)v(cExpnd)!x(

)c!a(i)w

1 +

i

7-1-10

Using the CAS (Computer Algebra System) Mode

X3

+ 5X2

+ 7X + 1

X + 2