SUBROUTINE PLOTBALL ( THETA )
Argument Definitions (+ indicates altered content)
DOUBLE PRECISION   THETA
Description
Clear the screen and draw/redraw the ball circle.
Source file:animated_pendulum_plotball.f
I/O Operations:
Unit ID  Unit No       Access  Form   Operation
      *                   SEQ  FMTD           W  

Operation codes A=rewind,B=backspace,C=close,E=endfile
                I=inquire,O=open,R=read,W=write
Intrinsic Functions Called
DOUBLE PRECISION   DCOS,       DSIN
INTEGER            INT
Local Variables (+ indicates altered content)
INTEGER           +COL,       +ROW