To answer the specific question about square roots below, Python's
square root function is in the math module. You can either include this
module and invoke it like this:
import math
.
.
.
y = math.sqrt(x)
-or- if you want the sqrt() function brought into your main namespace,
you can do it like this:
from math import sqrt
.
.
.
y = sqrt(x)
Either way, y will now have the value of the square root of x.
HTH
HAND
[EMAIL PROTECTED] wrote:
------------------------------
Message: 9
Date: Thu, 24 Jul 2008 18:47:32 -0700 (PDT)
From: Sam Last Name <[EMAIL PROTECTED]>
Subject: [Tutor] Newbie
To: tutor@python.org
Message-ID: <[EMAIL PROTECTED]>
Content-Type: text/plain; charset="us-ascii"
mmmkay its me again
Iv'e been learning alot and have found so much joy in making programs that
solve equations using the input function.
I need Help on this though.
Im trying to make a program where it solves the quadratic formula when you put in the variables.
Here wats i got so far. :) and also, is there a function for square root?
a = input("What is the variable a?")
b = input("What is the variable b?")
c = input("What is the variable c?")
# this is where i need help :(
print -b + /sqrt (b*b - 4*a*c)/(2*a)
# this of course doesn't work i believe because i don't have the square root function and don know how to make one
Feedback appreciated :)
You're going to need to use your parenthesis differently. You might have a
problem with the grouping if you leave it as it is. It'd be better written as
this:
print (-b + /sqrt ((b*b) - (4*a*c))/(2*a))
I don't know the function for square root either, but I'm sure one of the
others will answer that for you.
-Jay
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