N.A. : Actually I'm not that old ... But in my first year in high school, as a matter of tradition, every student learned math with a slide rule (like my father), it was abolished in favor of calculators in the next year, but I kept mine as a museum piece since then... (1979) (5 years and 2336 days ago)
(5 years and 2743 days ago)
nice clear shot
nice
Love the contrasting colors and composition here. Very nicely done! 
But it doesn't work....my bank statement still says I don't have enough in my account.
beautiful !
Thanks everyone.
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By mistake, I initially took a full picture of a calculator, but then I realized that, according to the topic's guidelines, only the numerical part of a pad should be on display, therefore, in order to avoid having the picture removed, I uploaded this rather drab image. (5 years and 2744 days ago)
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The Casio I had when I was at school ... (more than 20 years ago) (5 years and 2910 days ago)
Nice one -- I should dig out my 1975 HP 35 -- last time I looked it still ran if I plugged it in to the wall -- nicads long dead
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(5 years and 3138 days ago)
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Nice perspective. It was probably good they made you use slide rules. Calculators train us to not know how to do stuff ourselves.
Indeed, they and you are correct ... I Think that life today is easier at first, but it takes its toll up front, where some end up not preparing fully for the facilities previously found, but this may also be a thought of who is getting old ...
I too have those of my father, but I still use when traveling.
Imposed the cursor on the multiplication of the foreign currency, and I see fair prices.
at least not around with the batteries!
nice pictures and good memories, good
Oh! This function does not have my rule ... only simple multiplication ...
Always good to awaken dormant memories !
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