• What do I want to do?

I want my students to have a free resource to check solutions to problems

• What technology will help me accomplish my goals?

WolframAlpha is available with one click for anyone connected to the Internet.

• How easy is it to use?

Because WolframAlpha can interpret free-form input, one needs no specialized knowledge of the underlying Wolfram Language or Mathematica to operate WolframAlpha.

• How do I learn to use it?

I can use my knowledge of Mathematica to formulate questions clearly. For the novice, all that is necessary is to try different problems or questions, view the response, and then modify the input if WolframAlpha does not interpret the input correctly

• How can I obtain it?

Here is a link to WolframAlpha.

http://www.wolframalpha.com/

Here is a link to the Wolfram website.

http://www.wolfram.com/

• What does it cost?

The standard version is free. WolframAlpha Pro costs $4.75 per month.

There is a smartphone app for $2.99.