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.      Calculator for IEEE Floating Point Arithmetic

     Now that there is an approved IEEE standard for  binary
floating  point arithmetic, persons interested in implement-
ing the standard may be interested to learn  of  a  software
implementation  of  the  standard  available  in  the public
domain.  This implementation, called  the  IEEE  calculator,
provides  a  way  to  test  your  implementation in progress
against a fairly complete implementation of the standard  as
it  was specified in 1980. The IEEE calculator allows one to
enter numbers in decimal or hex notation, perform any of the
operations specified by the standard, and view the numerical
results in decimal and hex as well as  the  exceptions  sig-
nalled.

     The IEEE calculator is written entirely in  Pascal  and
computes  results  a bit at a time.  Consequently the arith-
metic is too slow to use for any significant number of  cal-
culations  but is ideal for debugging new implementations by
providing a comparison for results and exceptions.

     As public domain software the IEEE calculator  is  com-
pletely  unsupported;  users  bear the entire responsibility
for determining its correctness for and applicability to any
specific  purpose.   The  program implements the standard as
specified in 1980, but most subsequent changes in the  stan-
dard are minor.

     Source code for the IEEE calculator will  be  published
on  USENET,  the Unix network, in the newsgroup mod.sources,
shortly after this announcement appears.