Casio ALGEBRA FX 2.0 Function Manual page 27

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Example 4X 2 = 16
True (X = 2, X = – 2)
Besides "TRUE" the messages shown below can also appear as the result of verification.
"CAN NOT JUDGE" appears in the Manual Mode, while the other messages appear in both
the Verify Mode and Manual Mode.
u andConnect (andCon)
Function: Connects two inequalities into a single expression.
Syntax: andConnect( Ineq-1, Ineq-2 [ ) ]
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Example To combine X > – 1 and X < 3 into a single inequality
2(EQUA)g(andCon)v2(EQUA)b(INEQUA)b(>)
-b,v2(EQUA)b(INEQUA)c(<)dw
7-3-7
Tutorial Mode
19990401
–1 < X < 3