# Chart styles : Curve styles
This allows control of the individual curves in the chart. Selecting a curve in the list copies the details to the bottom of the page where they can be modified. Right-clicking in the list allows the individual curve to be switched on or off (hide) and symbols to be switched on or off.
# Colour
Select a colour for the curve.
# Component
Depending on the type of data different options are possible. For a scalar only value and modulus are option, but for vector and tensor curves other components can be selected.
# Line style and weight
Normally curves are drawn with solid lines but different line styles with dots and dashed are available. The weight of the line can be adjust,for example for emphasis.
# Symbol style, size and frequency
When the chart is not a bar chart the user can select symbols to identify the actual data points. The size can be varied from off, to any size from small, medium and large. The symbol frequency determines how often these symbols are drawn. When a suitable symbol size has be selected for one curve this can the be applied to all with Set all symbols to this size.
# Hide
The Hide check box allows individual curves to be switched on or off, The Hide all and Show all commands extend this functionality to all curves.