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15
Math.TechQA.Club
2026-03-13 07:32:57
272
Views
Do the $2^n$ hyper-octants of a $n$-sphere always have a $n$-dimensional right angle? Is $\pi/2$ only fundamental in $2$ and $3$ dimensions?
Published on
13 Mar 2026 - 7:32
#pi
#spherical-geometry
#solid-geometry
#solid-angle
#spheres
479
Views
Is this a true statement?
Published on
02 Nov 2014 - 19:57
#pi
136
Views
Show that $\int_0^r \frac{\mathrm{d}t}{\sqrt{r^2 - t^2}} $ is independent of $r$
Published on
03 Nov 2014 - 11:49
#integration
#improper-integrals
#pi
514
Views
$\pi$ normal to the base $10$
Published on
04 Nov 2014 - 0:47
#number-theory
#random
#pi
1.2k
Views
(UPDATED) Why didn't Archimedes further approximate $\pi$ this way (or did he)?
Published on
04 Nov 2014 - 16:35
#pi
161
Views
How to make π degree angle?
Published on
26 Mar 2026 - 9:39
#geometry
#pi
#geometric-construction
8.1k
Views
Relationship between Pi and Phi using the Great Pyramid of Giza?
Published on
25 Mar 2026 - 14:06
#pi
#golden-ratio
355
Views
What is the probability of getting the exact number of expected digits ($0-9$) in $10^6$ digits of $\pi$?
Published on
08 Nov 2014 - 20:12
#combinatorics
#random
#pi
1.2k
Views
Is it known if $\pi + e$ is transcendental over the rational numbers?
Published on
25 Mar 2026 - 14:22
#exponential-function
#pi
#transcendental-numbers
#open-problem
3.8k
Views
Could we calculate pi using an iterative series
Published on
11 Nov 2014 - 16:44
#sequences-and-series
#pi
102
Views
Evaluate the integrals in $\int_{0}^{1} \frac {x^4(1-x)^4}2\, dx \le \int_{0}^{1} \frac {x^4(1-x)^4}{1+x^2}\, dx \leq \int_{0}^{1} {x^4(1-x)^4}\, dx$
Published on
13 Nov 2014 - 13:56
#calculus
#integration
#inequality
#pi
153
Views
An Inequality involving integration
Published on
26 Mar 2026 - 11:06
#integration
#inequality
#definite-integrals
#pi
#integral-inequality
347
Views
Will the Declaration of Independence ever show up in pi?
Published on
16 Nov 2014 - 14:00
#probability
#infinity
#pi
214
Views
Can $\pi$ be a ratio of angles?
Published on
20 Nov 2014 - 15:29
#pi
#ratio
50
Views
Does the perimeter of a 2-D object "count" toward its area?
Published on
26 Mar 2026 - 21:08
#geometry
#pi
#monte-carlo
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