Starting with a K&E in 1947, I have owned several, including a yellow
pocket-size P&E. I learned to do rounded calculations in my head to be sure
of the decimal point position.
Jim Nichols
Tullahoma, TN USA
----- Original Message -----
From: "Ken Norton" <ken@xxxxxxxxxxx>
To: "Olympus Camera Discussion" <olympus@xxxxxxxxxxxxxxxxx>
Sent: Monday, August 27, 2012 9:04 AM
Subject: Re: [OM] Godspeed, Neil Armstrong
>> I may have owned a slide rule once. I could do multiplication and
>> division with it, but I only trusted it if I already knew the answer.
>> Advanced users told me that feeling never really went away.
>
> I came along in the digital calculator age, but actually learned how
> to use slide rules long before I turned 10. Slide rules have worked
> well for me because I do most of my calculations in my head, but have
> the inability to store more than just a small handful of data points
> there. The slide rule is one of those devices that lets me keep most
> of the numerical calculations within the head and it handles the rest.
> It's weird, but I get along with them because they are an analog
> representation of an analog reality.
>
> However, to Joel's point. Always confirm your calculations. Either by
> doing it a second time or through estimating.
>
> When calculating square roots or angles, I really prefer the slide
> rule because it takes the theoretical and makes it visual. It's a
> shame that I haven't used or owned a slide rule in years. My TI-35+ is
> going on 30 years old, but it still works great and sits right next to
> my computer at work. DD#2 needed a scientific calculator for a class
> at school. Her brand new TI is exactly like mine, just in a different
> case.
>
> AG
>
> --
> Ken Norton
> ken@xxxxxxxxxxx
> http://www.zone-10.com
> --
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>
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