ERRY - Draw symmetric error bars in the Y direction

Description:

Draw symmetric error bars in the Y direction.

This command is a synonym for ERRORBAR Y.

Usage:

erry [erterm]

Parameters:

ERTERM = _REAL (Read and Write)

The length of the terminals on the error bars: a multiple of the default length.

If no value is specified on the command line, the current value is used. The current value is initially set to 1.0.