Help, people good at math!

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Big Phoenix

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Borzak

Borzak

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High school drop out.

What I use when drawing a 21' diameter stack out of 1/4" plate is 3.14. same for coming up with the length to order and cut before rolling it.

Close enough lol. Of course I'm a dinosaur. I still use a trig foot and inch calculator as does most other people in my line of work. They may draw it on a computer but everything is checked with a calculator or the same app on a phone, but the caculator battery last forever and ever and easier to read and easier to replace if you drop it off the top of said smokestack at some point. Every bridge, building, structure, chemical plant, refinery, overpass etc.. done on a calculator. Stop making stuff hard :emoji_smiley:
 
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Erronius

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Borzak said:
High school drop out.

What I use when drawing a 21' diameter stack out of 1/4" plate is 3.14. same for coming up with the length to order and cut before rolling it.

Close enough lol. Of course I'm a dinosaur. I still use a trig foot and inch calculator as does most other people in my line of work. They may draw it on a computer but everything is checked with a calculator or the same app on a phone, but the caculator battery last forever and ever and easier to read and easier to replace if you drop it off the top of said smokestack at some point. Every bridge, building, structure, chemical plant, refinery, overpass etc.. done on a calculator. Stop making stuff hard :emoji_smiley:
Click to expand...

Reminds me of some electronics classes I took years ago.

The instructor made us slog through all of these calculations for filters, and then towards the end he emailed us some spreadsheets that had all the calcs in them, so all you had to do was enter some values and you'd get what you needed.

When we asked him why he made us go though all of it in a sort of long-hand fashion, he just wanted us to struggle so we could maybe grasp some of the underlying concepts, but that NO ONE ever did that in industry...they had shortcuts and calculation aids out the fucking wazoo
 
M

miscmath

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Tuco said:
That's one of the fun things about math. More so than a lot of fields, people understand mathematic ideas with wildly different approaches. And in some cases a preferred approach for someone is much more complex. And some people understand concepts at a deeper, more connected level where inferences and relationships are obvious. In this case, circumference/diameter as a ratio relating to pi just makes sense to me, and I wonder if I would be naturally a better mathematician if a deeper concept like integrals wasn't my preferred method of groking it.

For example, related to circles and pi, Euler's Identity ( Euler's identity - Wikipedia ) is e^(i * pi) = 0. For a modest programmer who does a bit of math like me it takes a few minutes reviewing the material to understand why that ostensibly goofy equation works. Conversely Gauss allegedly said something like "If his formula was not immediately apparent to a student upon being told it, that student would never become a first-class mathematician.".
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It is the art in the symbols themselves and their meaning. Rather than 'calculating'
 
M

miscmath

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Tuco said:
Euler's Identity ( Euler's identity - Wikipedia ) is e^(i * pi) = 0.
Click to expand...
that is wrong and not eulers identity

let me elaborate a bit...

e^(pi*i)+1=0

is consdered the most beautiful equation in mathematics.

we see three independently discovered constants, e, i, pi. the concept of exponentiation, multiplication, addition, equality. finally the concept of unity (1) and the concept of nothing (0).

its fucking artwork
 
Last edited:
Tuco

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miscmath said:
that is wrong and not eulers identity

let me elaborate a bit...

e^(pi*i)+1=0

is consdered the most beautiful equation in mathematics.

we see three independently discovered constants, e, i, pi. the concept of exponentiation, multiplication, addition, equality. finally the concept of unity (1) and the concept of nothing (0).

its fucking artwork
Click to expand...
thanks for the correction!
 
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