Advanced Math Features (New in Version 3)
Implicit Differentiation
a.Tap mand then J
b.Select Edit and then Clear All
c.Type in: x^2+3y^2=4
d.Drag over your ellipse to select it
e.Open the Interactive menu, select Calculation then ImpDiff
f.Select OK
Rewrite y’ in terms of x
a.Select just x^2+3y^2=4 in the first line and let go
b.Press and drag selection to the next empty line
c.Select (what you just dropped)
d.Open the Interactive menu, select Advanced then Solve
e.Change “Variable:” to y and select OK
f.Tap to select and drag to next empty line
Visualize Ellipse with Derivative
a.Select “y” in and press K
b.Next, select the first y solution, drag to where y was and press E
c.Ok (almost there), tap the 2nd non the toolbar and select $
d.Select x^2+3y^2=4, release and
then drag to graph window
e.Select just (tap twice then drag to select), release and then drag to graph window
f.Repeat with
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