Casio ClassPad 300 PLUS - Manual (Page 277)

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Inputting Equations
Inputting an Equation Manually
To input an equation manually, make the Conics Editor window active, and then use the soft
keyboard for input.
Transforming a Manually Input Equation to a Conics Form
After you manually input an equation on the Conics Editor window, you can use the
procedure below to transform it to a preset Conics Form.
Example: To transform the equation to the standard Conics Form
x = A y 2 + B y + C
u ClassPad Operation
(1) On the Conics Editor window, input the above
equation.
Hint: Tap the ) tab of the soft keyboard. The 2D
fraction and 2D exponent are very helpful in entering
this equation!
Conics Editor window
( x – 1) 2
+ ( y – 2) 2 =
x 2
2 2 4
(2) After inputting the equation, tap w or tap [Fit] and then [Fit into Conics Form].
• This displays the Select Conics Form dialog box.
(3) Select “X = AY 2 + BY + C” and then tap [OK].
• This transforms the equation so it becomes x = 2 y 2 – 8 y + .
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2
Tip
• If the equation you input cannot be transformed into the standard Conics Form you selected, the
message “Can’t Transform into This Type” appears.
• An input equation may not transform correctly if it includes a square root calculation or some
other function.
Input the equation here.