New posts in pi

The Chudnovsky pi formula $1/\pi$ revisited

sequences-and-series pi modular-forms

Asymptotic quality of rational approximations to $\pi$

number-theory asymptotics approximation pi diophantine-approximation

An expression for $\large \frac{1}{\pi}$

sequences-and-series pi

Can the formula $\frac\pi2=(\frac21)^{1/2}(\frac{2^2}{1\cdot3})^{1/4}(\frac{2^3\cdot4}{1\cdot3^3})^{1/8}\cdots$ prove the irrationality of $\pi$?

irrational-numbers pi irrationality-measure

Calculate $\pi$ precisely using integrals?

calculus integration pi circles

Prove that $\frac{\pi}{\phi^2}<\frac65 $

number-theory inequality pi golden-ratio

Interesting infinite nested square roots of 2 for $2\cos1°$ and $2\sin1°$

trigonometry pi nested-radicals

355/113 and small odd cubes

pi continued-fractions diophantine-approximation

Strange approximation to $\sqrt{\pi}$

sequences-and-series approximation radicals irrational-numbers pi

When the approximation $\pi\simeq 3.14$ is NOT sufficent

education approximation pi

Java Pi calculator getting stuck

java pi

Can a line of π lengths be drawn with a compass and straight edge?

pi geometric-construction

Why is "$\pi^2= g $" where $g$ is the gravitational constant?

ordinary-differential-equations reference-request physics mathematical-modeling pi

A Wallis-like formula for $\pi$: $(\frac21)^2(\frac23)^2(\frac43)^2(\frac45)(\frac65)^2(\frac67)^2(\frac87)(\frac89)^2\cdots$

number-theory prime-numbers pi

Prove that if $x$ is a non-zero rational number, then $\tan(x)$ is not a rational number and use this to prove that $\pi$ is not a rational number.

real-analysis algebra-precalculus trigonometry pi

Converting $\pi$ to senary base

pi

Area of a circle $\pi r^2$

geometry circles area pi

just another $\pi$ formula

pi

Is there a series to show $22\pi^4>2143\,$?

sequences-and-series inequality approximation pi

Python pi calculation?

python algorithm pi