Turning String into Numerical Equation

[Brian Kazian]

Thanks for the help, I didn't even think of that.

I'm guessing there's no easy way to handle exponents or logarithmic 
functions?  I will be running into these two types as well.
"Artie Gold" <artiegold at austin.rr.com> wrote in message 
news:39hrh2F61l1n2U1 at individual.net...
> Brian Kazian wrote:
>> Here's my problem, and hopefully someone can help me figure out if there 
>> is a good way to do this.
>>
>> I am writing a program that allows the user to enter an equation in a 
>> text field using pre-existing variables.  They then enter numerical 
>> values for these variables, or can tell the program to randomize the 
>> values used within a certain bounds.  My problem is taking in this 
>> equation they have written in the text field and converting it into an 
>> equation Python can calculate.
>>
>> The only way I know of to do this is by parsing it, which could get 
>> pretty nasty with all of the different mathematical rules.  Does anyone 
>> have a better idea than parsing to compute an equation from a string 
>> representation?
>>
>> Thanks so much!
>>
>> Brian Kazian
> eval()
>
> See: http://docs.python.org/lib/built-in-funcs.html#l2h-23
>
> HTH,
> --ag
>
> -- 
> Artie Gold -- Austin, Texas
> http://it-matters.blogspot.com (new post 12/5)
> http://www.cafepress.com/goldsays