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<h3>Variables</h3>

<p>Variables are used for storing values. In this example, changing

the values of variables 'a' and 'b' significantly change the composition.</p>

<p><a href="http://processing.org/learning/basics/variables.html">Original Processing.org Example: Variables</a><br>

<div class="learning-demo"><script type="application/processing">

size(200, 200);

int a = 20;

int b = 50;

int c = a*8;

int d = a*9;

int e = b-a;

int f = b*2;

int g = f+e;

line(a, f, b, g);

line(b, e, b, g);

line(b, e, d, c);

line(a, e, d-e, c);

</script><canvas width="200" height="200"></canvas></div></p>

<div style="height:0px;width:0px;overflow:hidden;"></div>

<div class="code"><pre name="code" class="processing">// All Examples Written by Casey Reas</a> and Ben Fry</a>

// unless otherwise stated.

size(200, 200);

background(0);

stroke(153);

int a = 20;

int b = 50;

int c = a*8;

int d = a*9;

int e = b-a;

int f = b*2;

int g = f+e;

line(a, f, b, g);

line(b, e, b, g);

line(b, e, d, c);

line(a, e, d-e, c);</pre></div>