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Can't send what I sent "D". I'll come up with something.
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Order of Operations is: 1. Parentheses 2. Exponents 3. Multiplication and Division 4. Addition and Subtraction All done left to right. So: 5 + 5 + 5 - 5 + 5 + 5 - 5 + 5 x 0 = 5 + 5 + 5 - 5 + 5 + 5 - 5 + 0 = 15 however, (5 + 5 + 5 - 5 + 5 + 5 - 5 + 5 )x 0 = 0 |
No but I used to be very very good at math, back when I had enough fingers to do it
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Rick, did you have to learn to use a slide-rule in school? You are a good bit younger than my dad but he did.
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I did during drafting class but not in regular math classes. By regular I mean trig, calc, etc.
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I don't know how to use about 90% of my calculators abilities. I just learned recently how to do complex vectors with it. It used to take me forever converting back and forth between rectangular and polar forms but now I can do it in one step. It also has unit conversions built in! :)
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I like to think that I end up knowing the procedure better, though. :D You can't use the TI-89 on the EIT/FE (Engineer in Training/Fundamentals of Engineering) exam anyway. But that only bothers me if there will be some weird integrals or nasty derivatives that would take a lot of work to get. I hate doing integration by parts. Seems like whenever I need to use it I end up with a repeating sequence or something that needs some identity or other trick that only the math majors would know.
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In my high school the science lab had a giant slide rule. It hung from the celing and was probably 10 feet wide. The teacher could use it to teach the slide rule.
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It is pretty amazing how much you can do with such a simple tool.
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We have one on the shelf here at the office. It is in a nice leather case. It is a Keuffler & Esser, Co. N.Y. We use it to collect dust. ;)
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I called ya Kim, sooooooooooooo.
Hey blame it on the online star mags |
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Never a dull moment on the Stijn thread! :D
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