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Casio ALGEBRA FX 2.0 Function Manual page 11

Computer algebra system and titorial modes
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Using the CAS (Computer Algebra System) Mode
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] [ ) ]
○ ○ ○ ○ ○
To rearrange X 2 + AX + BX, focusing on the variable X
Example
1(TRNS)i(collct)vx+av(A)v+
al(B)vw
• 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
u cExpand (cExpnd)
Function: Expands
Syntax: cExpand( Exp [ ) ]
○ ○ ○ ○ ○
Example
To expand
1(TRNS)v(cExpnd)!x(
7-1-10
x
th root of imaginary number.
2 i
19990401
X 3 + 5X 2 + 7X + 1
)c!a(i)w
X + 2
X 2 + (A + B)X
9
i
1 +

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