this post was submitted on 30 Apr 2024
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609
Calculus made easy (lemmy.world)
submitted 7 months ago by khannie to c/[email protected]
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[–] 5oap10116 38 points 7 months ago (2 children)

I'm a chemical engineer and I now better understand calculus slightly better from this post. I did a whole lot of "okkayyy ...let's just stick to the process and wait for this whole thing to blow over"

I know what they were asking me to do but I never really fully understood everything.

[–] [email protected] 9 points 7 months ago (1 children)

okkayyy...let's just stick to the process and wait for this whole thing to blow over

This is such a classic engineer brain solution to the problem. It just warms my heart.

[–] 5oap10116 2 points 7 months ago* (last edited 7 months ago)

When I started algebra in something like 5th grade I had a huge issue with f(x) and the best answer my teacher gave me was that "the equation is a function of x" and couldn't explain it differently and I couldn't get over the fact that we are not multiplying whatever f is by X. "If we're going to set precedent with notation at least be fucking consistent" - 5th grade me probably

[–] [email protected] 4 points 7 months ago (2 children)

I also studied chemical engineering, and throughout high school and university that was exactly it. Calculus was a kind of magic, and you just had to learn all the spells.

With this book I finally understood why the derivative of x^2 is 2x.

[–] [email protected] 4 points 7 months ago (1 children)

Ok I'm no mathematician but I'll still can't see why d(x^2) = 2x.

[–] [email protected] 6 points 7 months ago

This exact explanation is in the book: https://calculusmadeeasy.org/4.html

[–] 5oap10116 2 points 7 months ago (1 children)

I tried to figure it out myself back in high school but the best I came up with is X^2 -->2x because it just fucking does.