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	Subject - Ohm's Law Wristwatch anne I thought you might find this website helpful in passing your professional examinations: www.technotetime.com They have a wristwatch which has AC or DC Ohm's law, power formulas and resistor band color chart on it. It could be a good training aid - always available for studying - or even on the job. Are there any other unique training aids out there that you would like to share here? Ryan_J I have a gold power formula wristwatch that I like. I got it from Mike Holt. I think it looks nicer than the ones in the above website, because it doesn't have all of the funky colors in it. http://www.mikeholt.com/productitem.php?id=325&year=2005&from=Products&title=NEC&searchtext=&product_type=Other&category_from=Other anne Oh...the colors on the watches I mentioned are actually coded to a resistor color chart. Plus they come with either AC or DC formulas....My husband received a copy of Mike Holt's newsletter in September last year telling his members he thought TechNote Time had "cool" products...Clocks too. Why not take a look anyway...I tried to put a photo on, but not sure how to do it.... Ryan_J I already have one :) I'll post a picture for you though, if you would like.