[W/K] :: ubasic

  UBASIC
       
          Yuji Kida .
       
          An extension of BASIC for symbolic mathematics and number
          theory.
       
          UBASIC supports bignums, fractions, complex numbers,
          polynomials and integer factorisation.  It runs under MS-DOS
          and is written in assembly language.
       
          Current version: 8.
       
          ftp://ftp.simtel.com/math/utk/software/msdos/number.theory/ubasic/).html">(ftp://ftp.simtel.com/math/utk/software/msdos/number.theory/ubasic/).
       
          [Review, W.D. Neumann, Notices of AMS 36 (May/June 1989)]
       
          ["A math-oriented high-precision BASIC", Notices of the A.M.S,
          38 (Mar 1991)].
       
          (1992-07-06)