set label <label number> <text> [ <system> ] <x>, [ <system> ] <y>, [ [ <system> ] <z> ] [ rotate <angle> ] [ with { ( color <color> | fontsize <size> ) } ]
where <system> may take any of the values
( first | second | screen | graph | axis<number> )
The set label command is used to place text labels on graphs. The example
set label 1 'Hello' 0, 0
would place a label reading ‘Hello’ at the point (0,0)
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