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From: tigervolvo on 20 Jan 2008 22:45
this is my first graphing calculator, can someone teach me how to
graph a circle with the equation
x^2 +y^2=1

thank you.
From: Bob Blaylock on 21 Jan 2008 02:18
In article
<c64ad904-a8e9-4f39-9514-b9eba1617123(a)i29g2000prf.googlegroups.com>,
tigervolvo(a)gmail.com wrote:

> this is my first graphing calculator, can someone teach me how to
> graph a circle with the equation
> x^2 +y^2=1

Yes, someone can.

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From: John H Meyers on 22 Jan 2008 02:51
On Sun, 20 Jan 2008 21:45:39 -0600:

> graph 'X^2+Y^2=1'

"Polar" plot type, with equation 'X=1' :)

'X^2+Y^2=1' with "Conic" works too, if flag -1 is cleared
(otherwise you get only a semicircle)

Or '(COS(X),SIN(X))' "Parametric" plot (in RADian angle mode)

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