In Pictures: The best office apps for your iPad, round 4

Road warriors' business toolkit

Of the tens of thousands of apps available for the iPad, only a relative few are must-have tools for business use. To help keep your iPad stocked with the cream of the crop, InfoWorld offers its fourth roundup of the best office apps for the iPad -- some are familiar, some are new, and some old choices are no longer needed.

No doubt your iPad will have specialty apps beyond these to help in your specific line of work. For this, you should peruse our recommended iPad speciality apps and our favorite iOS and Android apps for IT pros, as well as install the appropriate clients for your videoconferencing and instant messaging services. But the apps highlighted here are ones almost everyone...