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Using the Action Menu

Sdiff

Function: Differentiates an expression with respect to a specific variable.

Syntax: diff(Exp/List[,variable] [ ) ] diff(Exp/List,variable,order[,a] [ ) ]

“a” is the point for which you want to determine the derivative.

“order” = 1 when you use the following syntax: diff(Exp/List[,variable][ ) ]. The default variable is “x” when “variable” is omitted.

Example: To differentiate x6 with respect to x

Menu Item: [Action][Calculation][diff]

Example: To find the second derivative of x6 with respect to x

Menu Item: [Action][Calculation][diff]

Example: To find the second derivative of x6 with respect to x at x = 3

Menu Item: [Action][Calculation][diff]

SimpDiff

Function: Differentiates an equation or expression in implicit form with respect to a specific variable.

Syntax: impDiff(Eq/Exp/List, independent variable, dependent variable)

Example: To find y’ using implicit differentiation

Menu Item: [Action][Calculation][impDiff]

Example: To find y” given y’ = −x/y

Menu Item: [Action][Calculation][impDiff]

Example: To find y’ for a list of equations

Menu Item: [Action][Calculation][impDiff]

Important!

The derivative symbol (’) cannot be used in the argument of “impDiff(”. Trying to use a derivative symbol would result in a Wrong Argument Type error.

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