20021201
2-7-42
Using the Action Menu
uu
uu
u getLeft
Function: Extracts the left-side elements of an equation or inequality.
Syntax: getLeft (Eq/Ineq/List [
)
]
• Ineq (inequality) includes the “⫽” (not equal to) relational operator.
Example: To extract the left side elements of y = 2x
2
+ 3x + 5
Menu Item: [Action][Equation/Inequality][getLeft]
uu
uu
u absExpand
Function: Divides an absolute value expression into formulas without absolute value.
Syntax: absExpand (Eq/Ineq [
)
]
• Ineq (inequality) includes the “⫽” (not equal to) relational operator.
Example: To remove the absolute value from |2x – 3| = 9
Menu Item: [Action][Equation/Inequality][absExpand]
uu
uu
u andConnect
Function: Combines two equations or inequalities into a single expression.
Syntax: andConnect (Eq/Ineq-1, Eq/Ineq-2 [
)
]
• Ineq (inequality) includes the “⫽” (not equal to) relational operator.
Example: To rewrite x > –1 and x < 3 into a single inequality
Menu Item: [Action][Equation/Inequality][andConnect]
uu
uu
u and
Function: Returns the result of the logical AND of two expressions.
Syntax: Exp/Eq/Ineq/List-1 and Exp/Eq/Ineq/List-2
• Ineq (inequality) includes the “⫽” (not equal to) relational operator.
Example: To obtain the result of the logical AND of x
2
> 1 and x < 0
Menu Item: [Action] [Equation/Inequality] [and]
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