PlanetMath:

Mention specifically that $\sR$ is homeomorphic to $[-1, 1]$
using the arctan function. (There's a nice visualization of this map --- anyone want to draw a diagram?)

diff	2005-06-24 02:05:52 - revision [ Version 11 --> Version 12 ] by matte

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2005-06-23 16:13:09 - revision [ Version 10 --> Version 11 ] by pahio

the link to special notations in algebra

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2005-06-23 14:32:11 - revision [ Version 9 --> Version 10 ] by yark

fix spacing

diff	2005-06-23 11:25:58 - revision [ Version 8 --> Version 9 ] by matte

diff	2005-06-23 09:52:02 - revision [ Version 7 --> Version 8 ] by matte

diff	2005-06-23 09:49:59 - revision [ Version 6 --> Version 7 ] by matte

diff	2005-06-23 09:42:06 - revision [ Version 5 --> Version 6 ] by matte

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2005-02-04 14:06:25 - revision [ Version 4 --> Version 5 ] by Koro

Changes for correction #5724 ('plain infinity').

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2005-02-04 14:06:03 - revision [ Version 3 --> Version 4 ] by Koro

Changes for correction #5725 ('infinite').

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2005-02-04 14:05:31 - revision [ Version 2 --> Version 3 ] by Koro

Changes for correction #5725 ('infinite').

diff	2004-03-09 09:23:14 - revision [ Version 1 --> Version 2 ] by matte

displaying all 17 items.