Archived posting to the Leica Users Group, 2005/12/06
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]>>How many of us still OWN a slide rule? >>How many of us still USE a slide rule? > >The current Breitling pilot watches (Navitimer, etc.) incorporate a circular >slide ruler. It is very practical for instance when travelling and >converting >currencies. You just look at your watch, where you have turned the slide >rule to point to the exchange rate and you can immediately read the amount >in foreign currency. Much faster than a pocket calculator. I have a slide ruler on my Zeno watch. Pretty useful not only for currency conversions but any kind of applicated rules of three. Calculator? What the heck is that? Didier