Archimedean spiral: Difference between revisions

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</syntaxhighlight>
</syntaxhighlight>

=={{header|Craft Basic}}==
<syntaxhighlight lang="basic">bgcolor 0, 0, 0
cls
fgcolor 255, 255, 0

let pi = 3.14
let size = 40
let a = 1.5
let b = .7

do

let r = a + b * t

dot r * ( cos: t ) + 200, r * ( sin: t ) + 200
let t = t + . 1

wait

loop t < size * pi

end</syntaxhighlight>


=={{header|FOCAL}}==
=={{header|FOCAL}}==