Casio ALGEBRA FX 2.0 Function Manual page 17

Using the CAS (Computer Algebra System) Mode
u eliminate (elim)
Function: Assigns an expression to a variable.
Syntax: eliminate( {Eq/Ineq} -1, variable, Eq-2 [ ) ]
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Example To transform Y = 2X + 3 to X= and then substitute 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} [ ) ]
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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 eqn
Function: Recalls eqn memory contents.
Syntax: eqn( memory number [ ) ]
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Example To add 15 to both sides of the equation 6X – 15 = X – 7, which is stored
in equation memory 3
4(eqn)d)+bfw
7-1-16
19990401
4Y – 3 = 5
2X 2 + 3X + 5
6X = X + 8