[FSUG-Bangalore] Help required with audacity

[vinay ವಿನಯ್]

Hi All,

We are using audacity for some radio programs. Just needed help in 
figuring out how to do the following using audacity -

1)zoom in zoom out using scroll mouse
2)multi-track edit

Request you to please do share if you know how to do the above using 
audacity.

Thanks all,
Vinay.