The Free On-line Dictionary of Computing (30 December 2018):

Turbo Pascal

    Borland International's Pascal.
   Perhaps the first integrated development environment for
   MS-DOS.

   Versions 1.0-3.0: standard Pascal with a few extensions
   Versions 4.0 (1987) and 5.0: separate compilation.  Version
   5.5: object-oriented.  Version 6.0: Turbo Vision OOP
   library.

   (http://borland.com/Product/ProdInfo.html).

   tptc translates Turbo Pascal to Turbo C.

   (1995-05-01)