I am new to ubuntu and installed ubuntu 14.04 32 bit on my LENOVO hinkpad T410 machine with windows 7 two days ago but since then trying download and install python-3.4 packages (NUMPY, SCIPY) on ubuntu and not getting results. I have Downloaded IDLE through ubuntu software centre but numpy neither run for me from ubuntu software centre nor from commands.

    sudo apt-get install python-numpy

it gives me:

    E: Unable to locate package python-numpy_1.8.1-1ubuntu1_i386

    E: Couldn't find any package by regex 'python-numpy_1.8.1-1ubuntu1_i386'

I also tried:

    pip install python-numpy

but it results:

    Could not find any downloads that satisfy the requirement python-numpy

    Cleaning up...

    No distributions at all found for python-numpy

    Storing debug log for failure in /home/sibte/.pip/pip.log

Any guide for the very beginners to ubuntu.