h.rfunc

强大的数学工具包

                               * * * * * * *
                               *   rfunc   *
                               * * * * * * *

        The following functions are available for rational numbers:


        +         !=          aval        log2        puto 
        -         <           ceil        max         root 
        *         <=          denom       min         sfp
        ^         >           exp         mod         sgn
        /         >=          fact        mval        sqrt
        [ ]       &&          floor       num         tofl
        ==        ||          ln
                    

        '+'             means   addition;

        '-'                     subtraction;

        '*'                     multiplication;

        '^'                     exponentiation;

        '/'                     division;

        '[ ]'                   absolute value;

        '=='                    equal;

        '!='                    not equal;

        '<'                     less;

        '<='                    less or equal;

        '>'                     greater;

        '>='                    greater or equal;

        '&&'                    and;

        '||'                    or;

        'aval'                  additive m-adic value;

        'ceil'                  smallest integer, greater or equal;

        'denom'                 denominator;

        'exp'                   exponential function;

        'fact'                  factorization;

        'floor'                 greatest integer, less or equal;

        'ln'                    natural logarithm;

        'log2'                  integer part of the logarithm, base 2;

        'max'                   maximum;

        'min'                   minimum;

        'mod'                   modular homomorphism;

        'mval'                  multiplicative m-adic value;

        'num'                   numerator;

        'puto'                  display internal representation;

        'root'                  root;

        'sfp'                   squarefree part;

        'sgn'                   sign;

        'sqrt'                  square root;

        'tofl'                  to floating points.