Adds a simple linear regression to TurboCalc via AREXX
Uses german function calls 
(don't know if it works with English version)

PERMISSION  UID  GID    PACKED    SIZE  RATIO METHOD CRC     STAMP     NAME
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[generic]                  719    2106  34.1% -lh5- d886 Apr 22  1995 regression/regression
[generic]                  650    1154  56.3% -lh5- 7e8b Apr 22  1995 regression/regression.dok
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 Total         2 files    1369    3260  42.0%            Apr 25  1995