Computes and displays gravitional or electrical potential distribution of
charged particles or masses. Generates output pictures in up to 256 colors
and if you have a math coprocessor it will take an advantage of it. Source
and examples included.

 PERMSSN    UID  GID    PACKED    SIZE  RATIO     CRC       STAMP          NAME
---------- ----------- ------- ------- ------ ---------- ------------ -------------
drwxr-x---   958/50          0       0 ****** -lhd- 0000 May 27  1996 graviton/
-rw-r-----   958/50       9052   14212  63.7% -lh5- 35b6 May 27  1996 graviton/Graviton
-rw-r-----   958/50       1283    3031  42.3% -lh5- 6955 May 27  1996 graviton/Graviton.c
-rw-r-----   958/50       2487    5752  43.2% -lh5- 642f May 27  1996 graviton/Graviton.guide
-rw-r-----   958/50       6693   10200  65.6% -lh5- 2efa May 27  1996 graviton/Graviton_020_FP
-rw-r-----   958/50     127836  181000  70.6% -lh5- 5820 May 27  1996 graviton/example1.pic
-rw-r-----   958/50      34805   70762  49.2% -lh5- 80c4 May 27  1996 graviton/example2.pic
-rw-r-----   958/50      81678  163670  49.9% -lh5- 7436 May 27  1996 graviton/example3.pic
-rw-r-----   958/50      16404   45684  35.9% -lh5- 3eb6 May 27  1996 graviton/example4.pic
---------- ----------- ------- ------- ------ ---------- ------------ -------------
 Total         9 files  280238  494311  56.7%            May 29  1996