When displaying code within web pages it can be hard to read if it hasn't been separated from the other text and images on the page. To get around this problem I use the
google codeprettify JavaScript.
This allows code to be displayed like this:
#!/bin/sh
echo "Hello, World!"
To implement this within your HTML you need to add the following lines of HTML:
At the start of your page:
A equation with the form ax^2+bx+c=0 is known as a quadratic equation. When plotted on a graph it will take the general shape of the graph seen below. The points at which the quadratic graph crosses the xaxis are known as the solutions of the quadratic equation.
For this example the quadratic crosses the xaxis when x=3 and when x=1.
The quadratic formula is used to find the values that satisfy the equation.

Quadratic Formula 
I wrote a python script which can find the solutions of these quadratics by using the quadratic formula.
import math
print "ax^2+bx+c=0"
a = float(raw_input("Please enter the value of a: "))
b = float(raw_input("Please enter the value of b: "))
c = float(raw_input("Please enter the value of c: "))
try:
x1 = (b + math.pow((math.pow(b,2)(4*a*c)),0.5)) / 2*a
x2 = (b  math.pow((math.pow(b,2)(4*a*c)),0.5)) / 2*a
except ValueError:
print "No real solutions"
exit()
print "X solutions: ", x1, ",",x2
The Quadratic formula has been wrapped in a try statement to prevent the program from crashing if a quadratic equation with no real solutions is entered. This would cause a crash as you would be trying to find the square root of a negative number which is not possible.