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richjd
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Grand Falls, New Brunswick, Canada
Joined November 13th, 2006
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Retired teacher and High School Principal. Teacher of math, science, digital electronics, computer leteracy, computer programing
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About OHM and His LAW
83
15K
Trigonometric Functions
7
3.7K
J-K Flip-Flop - How It Works
6
24K
ADS Instant DVD USB2.0 That Shuts Down
2
2.7K
Grand Falls, New Brunswick, Canada
Joined November 13th, 2006
4
45,925
13
9
Inbox
