PERPLEX Software for expedition planning Perplex7 GUI. (Photo: Alfred-Wegener-Institut) PERPLEX is a software program that can be used to plan and efficiently execute expeditions with research vessels. The software was developed at the Alfred Wegener Institute and used during many cruises of the RV Polarstern. PERPLEX allows scientists and chief scientist as well as [...] trip will automatically open Perplex 7 Route viewer.jpg (Photo: Alfred-Wegener-Institut) The 'Maps' tab displays the travel route, where e.g. new waypoints can be interactively added with the mouse.