Am Montag, 22. Dezember 2003 20:17 schrieb Perl:

> i know what " %9.1f" would have done in this case.
> but how does " %9.2g" round off ?

the FORMAT notation used by prinf, sprintf, ... can be found on 
http://www.perldoc.com/perl5.8.0/pod/func/sprintf.html

which gives:
%e      a floating-point number, in scientific notation
%f      a floating-point number, in fixed decimal notation
%g      a floating-point number, in %e or %f notation

Just in case: scientific notation is something like XeY which means X times 10 
to the poxer of  Y (power first!)

HTH, wolf


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