Seven-Segment Display in Flash (AS3)

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Seven-segment displays are widely used in electronic and mechanical devices to display simple information such as the time (a digital clock) or a price (a local gas station's price per gallon). Advantages include ease of implementation, updating, and the most important: cost. With only 7 segments, such as a LED, you can display 10 different numerals (ie 0-9).
In the software design world, seven-segment displays can be useful because they are a fixed width, people recognize them and they have an interesting look. In this tutorial I will give explain the math behind a seven-segment display how to implement them in Flash ActionScript 3 (AS3).  more...