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Author Topic: Happy Pi Day  (Read 308 times)
Mia Chloe
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March 14, 2026, 08:16:41 PM
 #21

… Nevertheless, Happy ∫₋₁¹ (1 / √(1 − x²)) dx day.
This might just be the most creative one I've seen today I'm too lazy to get a book and biro to solve something at the moment but I can vividly remember that there is an acrsin trig representation for this and when you simplify it after your substitute the upper and lower limits of the integral you should get π.

 ∫ (1 / √(1 − x²)) dx  this stuff is arcsinx +c if you then substitute -1 and 1 you end up with π/2 -(-π/2) which is same as π. Math is really interesting.

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March 14, 2026, 10:33:19 PM
 #22

Oh, I almost forgot the Almighty Pythagoras today. I could see the fun and cruise ongoing here. Maybe I could also eat some Pie if DireWolfM14 permits.

Happy Pi day!


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March 14, 2026, 10:50:43 PM
 #23

πr2
Convert 3142. 8571428571 KG to tonnes. I prefer to settle for easy

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Today at 09:02:50 AM
 #24

Today is 3-14, so let's celebrate mathematics and test our math skills for a little fun (and maybe some merit.)

I'll start:
√-1 2^3 ∑ π

Post your fun equations if you have them.

Disclaimer: I'm not a merit source, but I do have a couple of dozen sMerit burning a hole in my pocket.
Disclaimer 2:  Yeah, I know, we Americans write dates backwards, get over it.  Furthermore, if it wasn't for us backwards Americans there wouldn't be a Pi day.  You're welcome.  Kiss
That's intresting, though I was actually expecting much equations or much mathematics problems to solve, well
Happy pi day and if it's not too late, let refresh our brain with little equation here


>>  x² + 5x + 6 = 0
  (x + 2)(x + 3) = 0
     x = -2
      x = -3

>> x² - 4x - 5 = 0
     (x - 5)(x + 1) = 0
    x = 5
     x = -1

Problems here
 x² + 8x -4=0 ?

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Today at 09:07:05 AM
 #25

∫ (1 / √(1 − x²)) dx  this stuff is arcsinx +c if you then substitute -1 and 1 you end up with π/2 -(-π/2) which is same as π.


That’s it, Cool Roll Eyes

Quote from: Mia Chloe
Math is really interesting.

Sure…

It’s the most interesting thing out there and it applies to everything… it’s the thing that keeps the Bitcoin Network running smoothly and trustless.

satscraper
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Today at 09:36:46 AM
Last edit: Today at 10:13:48 AM by satscraper
 #26

Some stuff relevant to quantum computers.

One of the many possible qubit states

|ψ> = eiπ/4|0> +  e-iπ/4|1>

π-based factor is responsible for phase of the relevant ket -vector.

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Showlove01
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Today at 10:50:56 AM
 #27

Today is 3-14, so let's celebrate mathematics and test our math skills for a little fun (and maybe some merit.)

I'll start:
√-1 2^3 ∑ π

Post your fun equations if you have them.

Disclaimer: I'm not a merit source, but I do have a couple of dozen sMerit burning a hole in my pocket.
Disclaimer 2:  Yeah, I know, we Americans write dates backwards, get over it.  Furthermore, if it wasn't for us backwards Americans there wouldn't be a Pi day.  You're welcome.  Kiss

Area, a = Length (l) × Breadth (b) ; unit is m^2

Volume, v = Length (l) × Breadth (b) × Height (h); unit is m^3

Sometimes it is difficult to recall or remember some formula or equation once you are done with school because you won't be studying and practicing unless the person want to further..., this is really interesting op.

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Today at 11:04:38 AM
 #28

I know a funny one but it's not a complex equation.

If you slice a pie into 3 equal parts, it's 1/3 or 0.333 each
If you add them up again, it will be a total of 0.999
Where's the missing 0.001?

Answer: (highlight to reveal) It got stuck on the knife xD
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Today at 01:05:38 PM
 #29

∫ (1 / √(1 − x²)) dx  this stuff is arcsinx +c if you then substitute -1 and 1 you end up with π/2 -(-π/2) which is same as π.


That’s it, Cool Roll Eyes

Quote from: Mia Chloe
Math is really interesting.

Sure…

It’s the most interesting thing out there and it applies to everything… it’s the thing that keeps the Bitcoin Network running smoothly and trustless.

Yes it is very interesting, but it is really funny how I try to escape it but I end up with it because literally everything in life requires calculation, one needs to be calculative in order to operate effortlessly in all we do. Of course our assets requires lots of calculative skills.
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Today at 02:54:40 PM
 #30

Today is 3-14, so let's celebrate mathematics and test our math skills for a little fun (and maybe some merit.)

I'll start:
√-1 2^3 ∑ π

Post your fun equations if you have them.

Disclaimer: I'm not a merit source, but I do have a couple of dozen sMerit burning a hole in my pocket.
Disclaimer 2:  Yeah, I know, we Americans write dates backwards, get over it.  Furthermore, if it wasn't for us backwards Americans there wouldn't be a Pi day.  You're welcome.  Kiss
I was just navigating round the forum when I came across this thread, lol It's quiet fun. You just remind me back then in my school  days even though I wasn't really a lover of mathematics,  this a subject that delt so much with me way back,  but nevertheless am sure of learning one or two from this fun.

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Today at 05:57:55 PM
Merited by DireWolfM14 (1)
 #31

How about this  Grin

√(305)² +(15×7)³ =i?

Honestly, after seeing the thread, I remembered my old school days. Although we are writing here for fun. Hopefully I can keep the standards of my math teacher. Although I was not very serious about math, I hope everyone will take it as a joke if I make a mistake. Grin
√{(√4)2+5}+14/100
=> √4=2
=>{(√4)2}
=>{(√4)2=(2×2)}
=> √{4+5}+14/100
=> √9 = 3 + 0.14
=> 3+0.14
=> 3.14 (ans.)

DireWolfM14 (OP)
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Today at 06:33:15 PM
 #32

Honestly, after seeing the thread, I remembered my old school days. Although we are writing here for fun. Hopefully I can keep the standards of my math teacher. Although I was not very serious about math, I hope everyone will take it as a joke if I make a mistake. Grin
√{(√4)2+5}+14/100
=> √4=2
=>{(√4)2}
=>{(√4)2=(2×2)}
=> √{4+5}+14/100
=> √9 = 3 + 0.14
=> 3+0.14
=> 3.14 (ans.)

Please Excuse My Dear Aunt Sally.  No, she didn't fart, she PEMDAS'd (or PEDMAS'd, it's the same thing.  IYKYK)  Cheesy Cheesy

However, Sally and your math teacher should be quite proud of you.  For someone who claims to have not been serious about math, at least you retained one of the basic principles of algebra.  Sadly, many people are not as knowledgeable.

Personally, I use math every day, and not just at work.  Most of us go through daily routines where we're using basic math without even thinking about it.

 
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Today at 06:33:27 PM
 #33

[√-1 2^3 [8] +[SUM] π-[PIE]

Oh no "I Ate Some Pie"( I 8 SUM PIE) with my equation  

Lol.....



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Today at 07:44:06 PM
Merited by DireWolfM14 (1)
 #34

Today is 3-14, so let's celebrate mathematics and test our math skills for a little fun (and maybe some merit.)
The formula stands for I eight sum pi. It is a classic but fits the day perfectly. Since we are on a bitcoin forum we could also say that cryptography is just very expensive math used to protect our freedom. Happy pi day to everyone regardless of how you write your dates
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