Jump to content
Main menu
Main menu
move to sidebar
hide
Navigation
Main page
What we do here
What Test Wiki is not
Recent changes
Random page
Help
Local users list
Interaction
Help
Sandbox
About Wikipedia
Recent changes
Village pump
Search
Search
Appearance
Donate
Create account
Log in
Personal tools
Donate
Create account
Log in
20thffcopy
Add languages
Add links
Page
Discussion
English
Read
Edit
View history
Tools
Tools
move to sidebar
hide
Actions
Read
Edit
View history
General
What links here
Related changes
Permanent link
Page information
Cite this page
Get shortened URL
Download QR code
Switch to legacy parser
Report bug
How to report a bug
Report bug to Wikimedia Phabricator
Print/export
Create a book
Download as PDF
Printable version
In other projects
Appearance
move to sidebar
hide
Unchecked
From Wikipedia
Page version status
The page has not been checked
There are no
reviewed versions
of this page, so it may
not
have been checked for adherence to standards.
23rd copy
source
π
{\displaystyle \pi }
Search
Search
20thffcopy
Add languages
Add topic
