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<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
<name>PI (3.14159...)</name>
<category>Constants</category>
<subcategory></subcategory>
<type></type>
<code><![CDATA[
x = width/2
y = height/2
d = width * 0.8
arc(x, y, d, d, 0, QUARTER_PI)
arc(x, y, d-20, d-20, 0, HALF_PI)
arc(x, y, d-40, d-40, 0, PI)
arc(x, y, d-60, d-60, 0, TWO_PI)
<description><![CDATA[
PI is a mathematical constant with the value 3.14159265358979323846. It is the ratio of the circumference of a circle to its diameter. It is useful in combination with the trigonometric functions <b>sin()</b> and <b>cos()</b>. 
]]></description>
<related>TWO_PI</related>
<related>TAU</related>
<related>HALF_PI</related>
<related>QUARTER_PI</related>

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