Use of Infinitives or Gerunds for purposes

This new software is useful ________ (organize) all my pictures.

An electronic translator is great for _________ (get) definitions when you dont know the words.

I need a better computer _________ (run) all of this new software

We cant use a dictionary _______ (look up) words during a test.

I called my mom ________ (tell) her I will be late tonight.

Smartphones are great for _________ (communicate) with my friends and family even if I am away.

Do you use the wireless connection for _______ (get) on the internet?

Students are not allowed ________ (use) their celphones in class unless the teacher says its ok.

We use the airconditioner _______ (cool down) the room especially in the summer.

_______ (eat) healthy food is important for long happy life.