<define-tag mytitle>
The Pi FAQ - <if <get-var render-body /> "Answers" "Table of Contents" />
</define-tag>
<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE
html PUBLIC "-//W3C//DTD XHTML 1.1//EN"
"http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en-US">
<head>
<title><mytitle /></title>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<link rel="StyleSheet" href="$(ROOT)/style.css" type="text/css" />
</head>
<body>
<h1><mytitle /></h1>
<if "<get-var render-body />"
""
"<p>"
/>
<question anchor="what_is" title="What is Pi?">
<p>
Pi is the sum of the infinite series 1 - 1/3 + 1/5 - 1/7 + 1/9 - 1/11...
multiplied by 4.
</p>
</question>
<question anchor="how_much" title="How much is Pi, approximately?">
<p>
The value of Pi varies according to the radius of the circle, so it's
hard to tell.
</p>
</question>
<question anchor="approx" title="Approximating Pi">
</question>
<promote />
<question anchor="when_zeroes"
title="How many digits will I have to produce to reach a state of all-zeroes?">
<p>
It was proven that after a number between 1.345698 and 1.74 times 10 ** 12
digits, Pi is all zeros.
</p>
</question>
<question anchor="complexity" title="What is the fastest algorithm for approximating Pi?">
<p>
Approximating Pi was found to be NP-Complete.
</p>
</question>
<demote />
<question anchor="Uses" title="What can I do with Pi?">
<p>
The most common use of Pi is to generate random sequences. A far less common
use is for geometrical and trigonometrical calculations.
</p>
</question>
<if "<get-var render-body />"
""
"</p>"
/>
</body>
</html>