From: Jason Mayer <slamboy@...>
Date: 2006-12-29T10:58:52+09:00
Subject: Re: Newbie: Looking for help rounding numbers

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On 12/28/06, Ja Bo <jbornhoft@gmail.com> wrote:
>
> I can't figure out how to round my answer from this short code that I
> wrote.  I was trying to use both 'format' and 'round' with no luck...
>
> Thank you all in advance!!!
>
> Code:
> puts "Fahrenheit to Centigrade Conversion"
> puts "-----------------------------------"
>
> puts "Input a temperature in Fahrenheit: "
> STDOUT.flush
> ftemp = gets.chomp.to_f
>
> ctemp = ( (ftemp - 32) / 1.8 )
> format( "%.2f", ctemp )
>
> puts ""
> puts ftemp.to_s + " F is " + ctemp.to_s + " C."
> puts ""
>
> --
> Posted via http://www.ruby-forum.com/.
>
> I don't see what's wrong with round.

puts ftemp.to_s + " F is " + ctemp.round.to_s + " C."

output:
Fahrenheit to Centigrade Conversion
-----------------------------------
Input a temperature in Fahrenheit:
0
0.0 F is -18 C.

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