Casio ClassPad 300 PLUS User Manual page 135

u u u u u combine
Function: Transforms multiple fractions into their common denominator equivalents and
reduces them, if possible.
Syntax: combine (Exp/Eq/Ineq/List/Mat [ ) ]
• Ineq (inequality) includes the " " (not equal to) relational operator.
Example: To transform and reduce (
Menu Item: [Action][Transformation][combine]
u u u u u collect
Function: Rearranges an expression with respect to a specific variable.
Syntax: collect (Exp/Eq/Ineq/List/Mat[,Exp] [ ) ]
• Ineq (inequality) includes the " " (not equal to) relational operator.
Example: To rearrange
Menu Item: [Action][Transformation][collect]
x
• " " is the default when you omit "[,Exp]".
u u u u u invert
Function: Inverts two variables in an expression.
Syntax: invert (Exp/Eq/Ineq/List [,variable-1, variable-2] [ ) ]
• Ineq (inequality) includes the " " (not equal to) relational operator.
x
Example: To invert
Menu Item: [Action][Transformation][invert]
x y
• and are inverted when variables are not specified.
u u u u u tExpand
Function: Employs the sum and difference formulas to expand a trigonometric function.
Syntax: tExpand(Exp/Eq/Ineq/List/Mat [ ) ]
• Ineq (inequality) includes the " " (not equal to) relational operator.
Example: To expand sin (a + b)
Menu Item: [Action][Transformation][tExpand]
2-7-6
Using the Action Menu
x x
+ 1)/(
x 2 x x
+ a + b with respect to
y
and in the expression 2
20050501
x x
+ 2) + ( + 3)
x
x y
=