Can you create a "function" using Alfred?

[RobertF]

Is it possible to create an Alfred "function?"  What I'd like to do is type in my Alfred hotkey and type something like "diff(20,10)" and it would tell me the change between a starting price (10) and an ending price (20), i.e. calculate (20-10)/10.  I know I can type that literal string in but I'm lazy and would like to just call a function.  Thanks.

[Andrew]

@RobertF this would be possible with a Workflow. If you pop your Powerpack email address in your forum profile, then I can help you further

[RobertF]

Thanks!  I've added my email address.  I use Alfred constantly so this would be a big help.