Things to consider when writing for touch screen?

Question

I\'m starting a new project which involves developing an interface for a machine that measures wedge and roundness of lenses and stores the information in a database and reports

Answer 1

Make sure to read your basic UI principles like Fitz law (The time to acquire a target is a function of the distance to and size of the target).

Also consider whether or not the device is stationary or not when it is in use (e.g., like a palmpilot or iphone), research shows that you must accomodate that into your design.