User guide

Try solving the following equations and observe the reported solution.
a) x
2
= 25
b) x
2
= −25
c) x
2
= 3
In the previous examples the calculator reports multiple solutions, no solu-
tions and solutions in exact form.
You may notice that similar commands are seen in both menu options for
Action and also under Interactive. An instructor could use the tab la-
beled Interactive to create e-activities (electronic activities) for students
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