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From: dslg0849@uxa.cso.uiuc.edu (Daniel S. Lewart)
Newsgroups: comp.lang.pascal
Subject: Re: how can I get a log of a number?
Message-ID: <1990Dec16.095635.15053@ux1.cso.uiuc.edu>
Date: 16 Dec 90 09:56:35 GMT
References: <10684@uhccux.uhcc.Hawaii.Edu>
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webb@uhccux.uhcc.Hawaii.Edu (Thomas Webb) writes:

> I know that this must be a simple thing to do, but I can't think of a
> decent way to get a log base 10 of a number.  Since a log function
> isn't included in Pascal (even turbo) I assume it is a simple matter
> to derive one for the mathmatically inclined;  not so for me.  Any
> help will be much appreciated.

function Log(x: Real): Real;
begin
  Log := Ln(x)/Ln(10);
end;

Daniel Lewart
d-lewart@uiuc.edu