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From: Peter Fogg (no email)
Date: Wed Jul 20 2005 - 02:26:38 EDT
> From Lu Abel
>
> ...The whole reason for versines and haversines was to allow sight
> reductions to be done using logarithms (and therefore the requisite
> multiplications become additions); but logs are not defined for negative
> numbers, hence the need to shift everything to have a positive value.
>
So in order to use haversines log tables are needed?
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