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Fix decimal write-up nits.

This commit is contained in:
Raymond Hettinger 2004-07-11 12:49:47 +00:00
parent 65df07bf23
commit 44dc13bf3e
1 changed files with 7 additions and 7 deletions
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14
Doc/tut/tut.tex
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@ -5066,7 +5066,7 @@ class is especially helpful for financial applications and other uses which
require exact decimal representation, control over precision, control over
rounding to meet legal or regulatory requirements, tracking of significant
decimal places, or for applications where the user expects the results to
calculations done by hand.
match calculations done by hand.
For example, calculating a 5\%{} tax on a 70 cent phone charge gives
different results in decimal floating point and binary floating point.
@ -5081,10 +5081,10 @@ Decimal("0.7350")
0.73499999999999999
\end{verbatim}
Note that the \class{Decimal} result keeps a trailing zero, automatically
inferring four place significance from two digit mulitiplicands. Decimal
reproduces mathematics as done by hand and avoids issues that can arise
when binary floating point cannot exactly represent decimal quantities.
The \class{Decimal} result keeps a trailing zero, automatically inferring four
place significance from the two digit multiplicands. Decimal reproduces
mathematics as done by hand and avoids issues that can arise when binary
floating point cannot exactly represent decimal quantities.
Exact representation enables the \class{Decimal} class to perform
modulo calculations and equality tests that are unsuitable for binary
@ -5102,8 +5102,8 @@ True
False
\end{verbatim}
The \module{decimal} module also allows arbitrarily large precisions to be
set for calculation:
The \module{decimal} module provides arithmetic with as much precision as
needed:
\begin{verbatim}
>>> getcontext().prec = 36