Talk:Polybius square

A fact from Polybius square appeared on Wikipedia's Main Page in the Did you know column on 23 March 2004. The text of the entry was as follows:

Did you know... that the Ancient Greek mathematician Polybius invented the Polybius square, a cryptographic technique?

A record of the entry may be seen at Wikipedia:Recent additions/2004/March.

Wikipedia

Cryptography: Computer science Mid‑importance

	This article is within the scope of WikiProject Cryptography, a collaborative effort to improve the coverage of Cryptography on Wikipedia. If you would like to participate, please visit the project page, where you can join the discussion and see a list of open tasks.CryptographyWikipedia:WikiProject CryptographyTemplate:WikiProject CryptographyCryptography articles
Mid	This article has been rated as Mid-importance on the importance scale.
	This article is supported by WikiProject Computer science (assessed as Mid-importance).

Greece Mid‑importance

	Greece portal This article is within the scope of WikiProject Greece, a collaborative effort to improve the coverage of Greece on Wikipedia. If you would like to participate, please visit the project page, where you can join the discussion and see a list of open tasks.GreeceWikipedia:WikiProject GreeceTemplate:WikiProject GreeceGreek articles
Mid	This article has been rated as Mid-importance on the project's importance scale.

Classical Greece and Rome Mid‑importance

	This article is within the scope of WikiProject Classical Greece and Rome, a group of contributors interested in Wikipedia's articles on classics. If you would like to join the WikiProject or learn how to contribute, please see our project page. If you need assistance from a classicist, please see our talk page.Classical Greece and RomeWikipedia:WikiProject Classical Greece and RomeTemplate:WikiProject Classical Greece and RomeClassical Greece and Rome articles
Mid	This article has been rated as Mid-importance on the project's importance scale.

Mathematics Mid‑priority

	Mathematics portal This article is within the scope of WikiProject Mathematics, a collaborative effort to improve the coverage of mathematics on Wikipedia. If you would like to participate, please visit the project page, where you can join the discussion and see a list of open tasks.MathematicsWikipedia:WikiProject MathematicsTemplate:WikiProject Mathematicsmathematics articles
Mid	This article has been rated as Mid-priority on the project's priority scale.

Wiki Education Foundation-supported course assignment

This article was the subject of a Wiki Education Foundation-supported course assignment, between 6 January 2020 and 12 April 2020. Further details are available on the course page. Student editor(s): Thegodofchaos. Peer reviewers: Of Noble Berth.

Above undated message substituted from Template:Dashboard.wikiedu.org assignment by PrimeBOT (talk) 06:54, 17 January 2022 (UTC)[reply]

How?

Most important part missing: It was not stated how exactly (for instance BAT: 12 11 44) would be tapped. It it: 1tap, 2tap, pause 1tap, 1tap, pause 4tap, 4tap???? 71.139.163.243 (talk) 07:07, 13 September 2015 (UTC)[reply]