From: Emilio Tagua <miloops@...>
Date: 2007-05-02T09:38:12+09:00
Subject: Re: Math Time!

On 5/1/07, Ari Brown <ari@aribrown.com> wrote:
> Alright everybody! Math time!
>
> So today I tried to write a program which would print out, say, 1000
> digits of pi. I figured I'd do this by assigning a.... variable......
> to be a  bignum....... crap, Ruby is duck typing! I mean, yay?
>
> Ok, so to the point. How do I tell Ruby to print a value (.to_f) to a
> certain number of integers? .to_f(1000)? And also, how do I write
> tan, cos, sin, etc. in Ruby?
>

I havent done this with numbers but you could use:

number.to_s[0..1000]

If u can do that without the convertion it should be better, but if
not i hope my solution helps you.

About maths check the Ruby builins Math module:

http://www.rubycentral.com/book/ref_m_math.html