[pstricks] how to use draw a circle of radius \sqrt{2} without using a calculator

Michael Sharpe mchl.sharpe at gmail.com
Wed Sep 9 05:13:25 CEST 2009

On Sep 8, 2009, at 7:52 PM, Luiz Fernando C Camargo wrote:

> Hello,
> I know things like this
>  \SpecialCoor
>  \pscircle(!2 sqrt 2 mul 1){3}
> Fine, but I can't figure out how to draw, say, a circle of center
> (0,0) and radius \sqrt{2} without using a calculator. Is there an
> easy way?

Use \pselleipse, as in

\psellipse(0,0)(!2 sqrt dup)

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