Re: LN() & Log() LOG Base
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Re: LN() & Log() LOG Base
interestingly, how do find that formula? had that on a test once, really
sucked!
In article <01IPUAY4QGT8001AX6@TITAN.SFASU.EDU>, Ben Sultenfuss
<bsultenfuss@SFASU.EDU> wrote:
> Use the change of base formula
>
> log(base a) of x = (ln x)/(ln a)
>
> for log(base 2) of 8 enter: ln(8)/ln(2)
> the result is 3
>
> Define the following function
>
> Define log2(x)=ln(x)/ln(2)
>
> From now on, simily type log2( a number ) on the command
> line and you will get the log(base 2) of the number.
> You may have to use the approximate key to avoid the
> exact result. [diamond][enter]
> ------------------------------------------------------------------
> Ben Sultenfuss <bsultenfuss@sfasu.edu>
> Stephen F. Austin State University
> Department of Mathematics and Statistics
> 1936 North Street, PO Box 13040, SFA Station
> Nacogdoches, Texas 75962-3040
> Voice: Office: 409-468-3805 Home: 409-560-5508
> Fax: Office: 409-468-1669 Home: 409-560-0038
> Office Hours: Mon-Fri 8:00-8:50 am, Mon-Thur 2:00-4:00 pm Local
>
> ----------
> > From: Bobby Atkinson <atkinson1@THEONRAMP.NET>
> > To: CALC-TI@LISTS.PPP.TI.COM
> > Subject: LN() & Log() LOG Base
> > Date: Saturday, November 08, 1997 22:07
> >
> > How can I have the TI-92 return a base 2 logarithm of an argument.
> > Bobby Atkinson
> > atkinson1@theonramp.net
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