PI

Returns the value of PI (π).

Format

PI

Example

<Force_Scalar_TwoBody
       id             = "32"
       type           = "Force"
       i_marker_id    = "175"
       body1_id       = "31"
       j_marker_id    = "176"
       body2_id       = "35"
       val_expression = "100*PI " >
</Force_Scalar_TwoBody>