Talk:Diameter

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I came to this page to find out about the diameter sign. I believe it's ⌀ (Unicode 2300, looks kind of like ø), as opposed to ∅ (empty set, Unicode 2205, looks kind of like Ø). Maybe one of you math types could mention the diameter sign in the article? -- user:Nate Silva

I'm one of those "math types" and I've never heard of this symbol? In what contexts have you seen it? Michael Hardy 22:27, 11 May 2004 (UTC)

I'm another "math type" and I've never seen or heard of a "diameter sign" before. Math textbooks don't use it. --Dbenbenn 06:04, 11 Dec 2004 (UTC)

Diameter sign is used mostly on technical drawings (mechanical) to indicate that shape is round, not square. --andrejj 06:56, 11 Dec 2004 (UTC)

[edit] triple a systems

Hi,

I am missing a link to the Diameter Computer Protocol (AAA-System). thanks

[edit] Definition of a diameter

I have heard that the formal definition of the diameter (for an arbitary closed curve) is that:

A diameter is the locus of mid-points of a set of parallel chords intersecting the curve.

Is it true? If yes, then it should be mentioned in the article. — Ambuj Saxena (talk) 18:04, 22 July 2006 (UTC)

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