[Tutor] sqrt?

Steven D'Aprano steve at pearwood.info
Sun Apr 25 06:00:16 CEST 2010

On Sun, 25 Apr 2010 01:00:50 pm Kirk Z Bailey wrote:
> ok gang, My desktop runs 2.5, and for my college algebra I needed to
> do som quadratic equation work. This involves squareroots. So I fired
> uop the interactive idle and imported math. I then tried to play with
> sqrt.
> Nothing.
> Importing math does not import a sqrt function.

It works for me.

[steve at sylar ~]$ python
Python 2.5 (r25:51908, Nov  6 2007, 16:54:01)
[GCC 4.1.2 20070925 (Red Hat 4.1.2-27)] on linux2
Type "help", "copyright", "credits" or "license" for more information.
>>> import math
>>> math.sqrt(4)
>>> math.sqrt(12.5)

> Now riddle me this: if string.foo makes it do a function FOO on a
> string, whyfore and howcome does math.sqrt not do square roots on a
> simple number like 4???
> I am now officiciously pissed.

Perhaps you should drink less alcohol before posting then.


(For those in the US, in British and Australian English, to be "pissed" 
is to be drunk. Being angry is "pissed off".)

Steven D'Aprano

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