OpenEuphoria

RE: logs and antilogs (to Kat)

• Posted by Kat <kat at kogeijin.com> Oct 29, 2002
• 401 views

On 29 Oct 2002, at 12:58, rolf.schroeder at desy.de wrote:

> 
> Kat wrote:
> 
> > I have been looking all over the net for a formula to calculate
> > logs and antilogs for any given number, ....
> 
> Hi Kat,
> 
> If I remember correctly you were seeking some time ago for an (almost?)
> 'exact' representation of PI for the computer.

Not me.

> With relation to this, may I ask you for what purpose do you need exp()
> and log() for 'any given  number'? I.e., do you mean to express
> "exp(1.0e+300)" in a program?

Because my bignum .e for basic math seems to be working to over a million 
significant digits, and someone asked for log(). Besides, i hate to ask the 
computer for a math answer, and get something like 2.99999999 when i 
know the answer is 3.

Kat