UBASIC Yuji Kida <[email protected]>. 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}. Latest version: 8. (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)