Tooltip
Tooltip[expr_, label_]displays expr and shows label when the pointer hovers over it.
Tooltip can be used with ordinary formatted expressions and with graphics primitives.
Examples
Basic tooltip
Tooltip[Style["hover me", 18, Blue], "This is a tooltip"]Tooltip with rich label content
Tooltip[
Framed[Style["status", Bold, 14], Background -> LightYellow],
Column[{"Server: online", "Latency: 24 ms", Style["OK", Darker[Green]]}]
]Tooltips on graphics objects
Graphics[{
Tooltip[{Red, Disk[{0, 0}, 0.25]}, "center disk"],
Tooltip[{Blue, Rectangle[{0.5, -0.2}, {1.1, 0.4}]}, "data block"],
Tooltip[{Black, PointSize[0.03], Point[{0.8, 0.8}]}, "marker"]
}, PlotRange -> {{-0.4, 1.3}, {-0.4, 1.1}}, Frame -> True]Tooltip in generated plots
Plot[{Tooltip[Sin[x], "This is sine"], Tooltip[Cos[x], "This is cosine"]}, {x,0,2Pi}]ListPlot[
Table[Tooltip[{x, Sin[x]}, Row[{"x = ", NumberForm[x, {3, 2}], ", y = ", NumberForm[Sin[x], {3, 2}]}]], {x, 0, 6, 0.3}],
PlotStyle -> Red,
Joined -> False
]Avoid large number of tooltips on generated data