10 0 using 'R' in sage: can not plot. errors of X11 and PNG ( 2015-06-27 23:28:40 +0100 )

10 0 unaccurate plot of a circle ( 2013-03-21 13:52:29 +0100 )

10 0 mistake in a indefinite integral ( 2012-11-19 13:32:15 +0100 )

10 0 can gridlines be painted at sqrt(2) ? ( 2011-03-22 17:44:58 +0100 )

10 0 can gridlines be painted at sqrt(2) ? ( 2011-03-22 11:58:34 +0100 )

10 0 can gridlines be painted at sqrt(2) ? ( 2011-03-22 10:16:35 +0100 )

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