Google blog news channel recently posted that About.com's websearch guide has compiled a handy cheat sheet for Ask.com. The sheet has a lot of handy things that you can type in the search box. The tips include :
encyclopedia: – find an encyclopedia entry using Ask.com
driving directions- specify your start and end points
wallpapers:waterfalls – find mobile wallpapers
images: coffee – searches for images
convert: – that is, 4 miles to yards ; 56 ounces to pounds
There are many other in the sheet, including a bunch "that you may not have heard of."