## Useful Actions

Information on the most useful actions for students.

This action is used to simplify expressions.  For example: After selecting the expression that needs simplification, type "Try magic" into act...
Thu, 26 Apr, 2018 at 3:49 PM
"Functions: Zeros" action is used to compute the zeros of a function. If the action is not disabled by your instructor, you can use this action to...
Tue, 28 Nov, 2017 at 9:17 AM
"Solve" action is used to compute roots of an equation. If the action is not disabled by your instructor, you can use this action to compute the r...
Mon, 27 Nov, 2017 at 5:48 PM
This action is used to rewrite a fraction in decimal form.  Hope you find this helpful. Please never hesitate to contact us here,...
Tue, 28 Nov, 2017 at 11:44 AM
Evaluate at and Evaluate actions are used to compute the value of a function at a point. Note such as with other actions, this action might be disabled by y...
Fri, 13 Jul, 2018 at 12:08 PM
In Gradarius, you can graph functions in two different ways. Select the function(s) and then use the action "Add function(s) to graph" from a...
Thu, 18 Jan, 2018 at 2:02 PM
There are many limit actions available in Gradarius. Here we will show you how to work with some of them.  Note that most limit actions are used to apply th...
Thu, 26 Apr, 2018 at 3:21 PM
"Derivative" action is used to set up the derivative notation quickly and efficiently.  "Compute" action on the other hand is used t...
Thu, 30 Nov, 2017 at 9:26 AM
"Analyze first derivative" action is very useful for finding interval of increase and decrease of a function as well as finding its local maxima a...
Fri, 6 Apr, 2018 at 8:04 AM
This action is very useful when you need to determine the intervals of concavity of a function.  First compute the second derivative of the function:  ...
Tue, 31 Oct, 2017 at 10:40 AM