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From: tmoran@acm.org
Newsgroups: comp.lang.ada
Subject: Re: interest computing problem
References: <vmfmf3s9h40652@corp.supernews.com>
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>Your ending balance will be  1.00022E+03
  If you use Long_Float instead of Float you will get
1.02014488268319E+03
Raising to the 365th, rather than 364th (7*52=364) power gives
1.02020078103290
which matches within rounding error what your banker friend says.