Beefy Boxes and Bandwidth Generously Provided by pair Networks
Pathologically Eclectic Rubbish Lister
 
PerlMonks  

Re: Printing a very small number

by betterworld (Deacon)
on Aug 16, 2013 at 11:37 UTC ( #1049728=note: print w/ replies, xml ) Need Help??


in reply to Printing a very small number

For a precise output:

use Math::BigRat; my $num = Math::BigRat->new("9e-10"); print $num->as_float(), "\n";

Output: 0.0000000009


Comment on Re: Printing a very small number
Select or Download Code
Replies are listed 'Best First'.
Re^2: Printing a very small number
by BrowserUk (Pope) on Aug 16, 2013 at 12:20 UTC
    For a precise output:

    That works if your small number starts out as a string, but if it comes from a calculation done using normal Perl math, the 'damage' has already been done.


    With the rise and rise of 'Social' network sites: 'Computers are making people easier to use everyday'
    Examine what is said, not who speaks -- Silence betokens consent -- Love the truth but pardon error.
    "Science is about questioning the status quo. Questioning authority".
    In the absence of evidence, opinion is indistinguishable from prejudice.

Log In?
Username:
Password:

What's my password?
Create A New User
Node Status?
node history
Node Type: note [id://1049728]
help
Chatterbox?
and the web crawler heard nothing...

How do I use this? | Other CB clients
Other Users?
Others surveying the Monastery: (8)
As of 2015-07-31 02:43 GMT
Sections?
Information?
Find Nodes?
Leftovers?
    Voting Booth?

    The top three priorities of my open tasks are (in descending order of likelihood to be worked on) ...









    Results (274 votes), past polls