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skunk
l33t
l33t

l33t

Joined: 28 May 2003
Posts: 646
Location: granada, spain

Posted: Tue Sep 30, 2014 12:21 am Post subject: bc's math

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Code:

skunk@mescalito ~ $ x=8.24E-7
skunk@mescalito ~ $ echo "$x > 1"|bc -l
1
skunk@mescalito ~ $ echo "$x < 1"|bc -l
0
skunk@mescalito ~ $ x=8.24E-8
skunk@mescalito ~ $ echo "$x > 1"|bc -l
0
skunk@mescalito ~ $ echo "$x < 1"|bc -l
1

please, somebody minds to explain?

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Akkara
Bodhisattva

Bodhisattva

Joined: 28 Mar 2006
Posts: 6702
Location: &akkara

Posted: Tue Sep 30, 2014 1:46 am Post subject:

bc does not parse scientific notation written using the "E" form. Write it like 1.234*10^-5 instead _________________ Many think that Dilbert is a comic. Unfortunately it is a documentary.

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