As an additional to Ole's list, you can get base 10 (or indeed any base) log
of x from the natural log function using;
(log(x) / log(10))
Replace 10 with any base.
Regards,
Warren Vick
Europa Technologies Ltd, U.K.
http://www.europa-tech.com
> -----Original Message-----
> From: [EMAIL PROTECTED]
> [mailto:[EMAIL PROTECTED]]On Behalf Of Ole Gregor
> Sent: Saturday, January 08, 2000 5:56 PM
> To: 'Swayze, Natalie: #PNWT - PTNO'; Dyan Catamaran; [EMAIL PROTECTED]
> Subject: RE: MI Algebra
>
>
> You dont need to export and the functions is inside Mapinfo.
>
> The only problem is, that you need more knowledge about Mapbasic - one
> source is Jacques Paris, but it's would bee a great help if Mapinfo Corp.
> had included this information in the normal help and reference material.
>
> I have copyed a bit from the Mapbasic help file
>
> The syntax is;
>
> Exp(column) Returns the number e raised to a specified exponent
> sqr(column) for square root
> log(column) for natural log (ln in normal math)
> + Addition. Example: x = a + b
> - Subtraction or negation. Example: x = a - b
> * Multiplication. Example: x = a * b
> / Division. Example: x = a / b
> \ Integer division (remainder is dropped). For example, the
> expression: 10 \ 8 has a value of one.
> Mod Remainder from integer division. For example, the
> expression: 10 Mod 8 has a value of two.
> ^ Exponentiation. For example, the expression: 2 ^ 3 has a
> value of eight.
>
>
> -----Original Message-----
> From: Swayze, Natalie: #PNWT - PTNO [mailto:[EMAIL PROTECTED]]
> Sent: Saturday, January 08, 2000 6:41 PM
> To: Dyan Catamaran; [EMAIL PROTECTED]
> Subject: RE: MI Algebra
>
>
> Please forward any info to me as well!!
>
> Thanks in advance,
> Natalie Swayze
> Spectrum/ROS/IC/GC/CA
> ----------
> From: Dyan Catamaran
> To: [EMAIL PROTECTED]
> Subject: MI Algebra
> Date: Friday, January 07, 2000 4:36PM
>
>
> Hi
>
> I would like to perform some mathematics algebra like Square root, use PI,
> Ln or log etc. It seems that MI doesn't have this capability. Is
> there any
> suggestion to work with update column using mathematical operators without
> export the table out of MI?
>
> Thanks
>
> Dyan C. Catamaran
> Phero Tech Inc.
> --------------------------
> 604-940-9944
> 604-940-9433
>
> ----------------------------------------------------------------------
> To unsubscribe from this list, send e-mail to [EMAIL PROTECTED] and put
> "unsubscribe MAPINFO-L" in the message body, or contact [EMAIL PROTECTED]
> ----------------------------------------------------------------------
> To unsubscribe from this list, send e-mail to [EMAIL PROTECTED] and put
> "unsubscribe MAPINFO-L" in the message body, or contact [EMAIL PROTECTED]
> ----------------------------------------------------------------------
> To unsubscribe from this list, send e-mail to [EMAIL PROTECTED] and put
> "unsubscribe MAPINFO-L" in the message body, or contact [EMAIL PROTECTED]
>
----------------------------------------------------------------------
To unsubscribe from this list, send e-mail to [EMAIL PROTECTED] and put
"unsubscribe MAPINFO-L" in the message body, or contact [EMAIL PROTECTED]
