A.5 Appendix
A.5.1 ChangeLog
See the Japanese document and the cvsweb at
http://www.openxm.org
A.5.2 Version 990831
Four years have passed since the last distribution.
Though the look and feel seem unchanged, internally there are
several changes such as 32bit representation of bignums.
Plotting facilities are not available on Windows.
If you have files created by bsave
on the older version,
you have to use bload27
to read such files.
A.5.3 Version 950831
A.5.3.1 Debugger

One can enter the debug mode anytime.

A command
finish
has been appended.

One can examine any stack frame with
up
, down
and frame
.

A command
trace
has been appended.
A.5.3.2 Builtin functions

One can specify a main variable for
sdiv()
etc.

Functions for polynomial division over finite fields
such as
sdivm()
have been appended.

det()
, res()
can produce results over finite fields.

vtol()
, conversion from a vector to a list has been appended.

map()
has been appended.
A.5.3.3 Groebner basis computation
 Functions for Groebner basis computation have been implemented
as builtin functions.

grm()
and hgrm()
have been changed to gr()
and
hgr()
respectively.

gr()
and hgr()
requires explicit specification of
an ordering type.

Extension of specification of a term ordering type.

Groebner basis computations over finite fields.

Lex order Groebner basis computation via a modular change of ordering algorithm.

Several new builtin functions.
A.5.3.4 Others

Implementation of tools for distributed computation.

Application of modular computation for GCD computation over algebraic number
fields.

Implementation of primary decompostion of ideals.

Porting to Windows.
A.5.4 Version 940420
The first public verion.
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