As an Examining point, there's nothing wrong with using software for calculations - don't assume that you "have" to use the CRP because it's a test. You will have already proved proficiency in this during the written exams. Most Examiners are pretty practical about how you derive the results, the important thing is that they're correct! My most recent IR student spent an entertaining half hour discussing iPad apps for flight planning & how to use them safely with the CAA Staff FE who came to conduct his test. Who had the old version of some of the apps
