Using the Action Menu
Using the Assistant SubmenuThe [Assistant] submenu contains two commands related to the Assistant mode.
•Note that the following commands are valid in the Assistant mode only. For more information on the Assistant mode see “Assistant Mode and Algebra Mode” on page
uarrange
Function: Collects like terms and arranges them in descending order, starting with the term that contains the smallest coefficient.
Syntax: arrange (Exp/Eq/Ineq/List/Mat [ ) ]
• Ineq (inequality) includes the “≠” (not equal to) relational operator.
Example: To arrange 2x + 3 – 5x + 8y in the sequence of its variables
Menu Item: [Action][Assistant][arrange]
ureplace
Function: Replaces the variable in an expression, equation or inequality with the value assigned to a variable using the “store” command.
Syntax: replace (Exp/Eq/Ineq/List/Mat [ ) ]
• Ineq (inequality) includes the “≠” (not equal to) relational operator.
Example: To replace s in the expression 3x + 2s, when the expression 2x + 1 is assigned to s
Menu Item: [Action][Assistant][replace]
uinvert
Function: Inverts two variables in an expression.
Syntax: invert (Exp/Eq/Ineq/List
• Ineq (inequality) includes the “≠” (not equal to) relational operator.
Example: To invert x and y in the expression 2x = y
Menu Item: [Action][Transformation][invert]
• x and y are inverted when variables are not specified.
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