Exchange (Exchng); Eliminate (Elim); Getright (Getrgt); Invert - Casio Algebra FX 2.0 PLUS User Manual

Using the CAS (Computer Algebra System) Mode
u exchange (exchng)
Function: Exchanges the right-side and left-side expressions.
Syntax: exchange( {Eq/Ineq/List} [ ) ]
Example To exchange the left-side and right-side expressions of 3 > 5X – 2Y
3(EQUA)f(exchng)d3(EQUA)b(INEQUA)b(>)
fa+(X)-ca-(Y)w
u eliminate (elim)
Function: Assigns an expression to a variable.
Syntax: eliminate( {Eq/Ineq/List} -1, variable, Eq-2 [ ) ]
Example To transform Y = 2X + 3 to X= and then substitute into 2X + 3Y = 5
3(EQUA)g(elim)ca+(X)+da-(Y)!.(=)
f,a+(X),a-(Y)!.(=)
ca+(X)+dw
u getRight (getRgt)
Function: Gets the right-side element.
Syntax: getRight( {Eq/Ineq/List} [ ) ]
To extract the right side element of Y = 2X 2 + 3X + 5
Example
3(EQUA)h(getRgt)a-(Y)!.(=)
ca+(X)x+da+(X)+fw
u invert
Function: Inverts two variables.
Syntax: invert( {Exp/Eq/Ineq/List} [,variable name 1, variable name 2] [ ) ]
If you omit the variable names, variables X and Y are inverted.
Example To invert X and Y in the expression 2X = Y
3(EQUA)i(invert)cv!.(=)a-(Y)w
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5X – 2Y < 3
4Y – 3 = 5
2X 2 + 3X + 5
2Y = X