It may be that Scheme isn't used at their company (or that he doesn't read Scheme). This particular problem is simple enough it's not hard to write in Javascrip

It may be that Scheme isn't used at their company (or that he doesn't read Scheme). This particular problem is simple enough it's not hard to write in Javascript anyway. Besides, it's not an application, I'm sure you could write it in your favorite language of you wanted :)