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

CASIO ClassPad 330 and ClassPad Manager Software Version 3.04

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