Decimal isn't the only way to represent a value - get acquainted with Binary & Hexadecimal, two very important numeral systems often found lurking within the depths of technology.-----------------------------------------Visit the Adafruit shop online - http://www.adafruit.comSubscribe to Adafruit on YouTube: http://adafru.it/subscribeJoin our weekly Show & Tell on G+ Hangouts On Air: http://adafru.it/showtellWatch our latest project videos: http://adafru.it/latestNew tutorials on the Adafruit Learning System: http://learn.adafruit.com/-----------------------------------------