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Newest 'pi' Questions - Code Golf Stack Exchange
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Learn more about TeamsQuestions tagged [pi]
This tag is for challenges involving the mathematical constant pi, the ratio of a circle's circumference to its diameter.
63 questions
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23
votes
6
answers
2k
views
Computing Pi with iF*ck
Objective
Compute \$\pi\$ using nothing but \$i\$ (\$\sqrt{-1}\$).
Guidelines
ONLY exponentiation and multiplication may be used (i.e. \$i^i\$ or \$ii\$)
No additional symbols may be used (so no ...
8
votes
1
answer
366
views
Sequence of programs that prints the next one with length growth being equal to π
Challenge
You must produce an infinite sequence of programs \$P_0, P_1, P_2,\$ … such that each program \$P_n\$, when run, prints the exact source code of \$P_{n+1}\$ and then halts.
Each program \$...
18
votes
11
answers
2k
views
Count squares in my pi approximation
One way to approximate π is the following: Start by drawing a 2x2 square with a quarter-circle in it. Then, the area of the quarter-circle is π.
We can approximate this area by filling it with ...
20
votes
21
answers
968
views
Rabinowitz-Wagon \$\pi\$ formula
In 1995, Stanley Rabinowitz and Stan Wagon found an interesting algorithm to generate the digits of \$\pi\$ one by one without storing the previous results. The algorithm is called the spigot ...
15
votes
13
answers
6k
views
Print 100 digits of π
Your challenge is to print any 100 consecutive digits of π. You must give the index at which that subsequence appears. The 3 is not included.
For example, you could print any of the following:
...
17
votes
37
answers
3k
views
Calculating π using the Gregory Leibniz series until n terms
based off my previous challenge, this wikipedia article, and a Scratch project
Your task: given i, calculate \$\pi\$ till i ...
21
votes
17
answers
3k
views
10
votes
1
answer
532
views
Turing Machine that outputs pi
Turing Machine Preliminaries
A Turing machine is specified by the following data
A finite set of symbols S = \$\{s_1,s_2,...\}\$
A finite set of states M = \$\{m_1,m_2,...\}\$
A partially defined ...
18
votes
5
answers
2k
views
-4
votes
7
answers
451
views
Print om sign with pi
This time I will give you an easy challenge:
Print the Om sign with \$\pi\$!(Sorry for many challenges with \$\pi\$)
Here is the om sign drawn using pi numbers:
...
9
votes
8
answers
2k
views
22
votes
14
answers
3k
views
Elastic collisions between blocks
The 3Blue1Brown Youtube channel released a video a year ago called "Why do colliding blocks compute pi?" which describes a model where a block A of mass \$a\$ ...
21
votes
22
answers
7k
views
Pi to the power y, for small y's
Input
This task takes no input.
Output
Your code should compute and print (or return)
\$\pi^y\$ for all \$y = \frac11, \frac12, \frac13, \frac14, \frac15, \frac16, \frac17, \frac18, \frac19, \frac1{...
user9207
-3
votes
6
answers
2k
views
Output first \$n\$ digits of \$\pi^{1/\pi}\$
This challenge is to produce the shortest code for the constant \$\pi^{1/\pi}\$. Your code must output the first \$n\$ consecutive digits of \$\pi^{1/\pi}\$, where \$n\$ is given in the input. ...
user9207
9
votes
9
answers
755
views
Pi Day: Determine if a list of words is correct Pilish
Background
Though this is a bit late for Pi Day, I saw an article about Pilish and thought it would make a great challenge. Pilish is created by using a sequence of words where each word's length ...
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