Simtel MSDOS Archive.  May 1995.  Walnut Creek CDROM.
UBASIC: math Basic interpreter
path: \disc2\ubasic\ 
-----------------------------------------------------
Name           Size      Date    Description
============ ========  ========  ====================
00readme.txt     1294  05-30-94  Information about files in this directory
ub874.zip      361092  05-09-94  High precision math-oriented BASIC
                               | interpreter
ub874gr.zip     83048  05-10-94  Standard VGA graphics applications for UBASIC
ubmalm.zip      34448  05-09-92  UBasic number theory pgms by Donald E.G. Malm
ubppmpqs.zip    58759  05-09-94  UBASIC prime factorization pgm for 386/486