rewind as many times! ask questions if you get stuck! learn and spread! it should be for the good of all! :) <br /> <br />it gives highly accurate results, same as hand calculations, which are very long! (and boring) <br /> <br />Donations are always Welcome. All the support is greatly appreciated. <br /> <br />To donate €0.49, buy this video: http://www.dailymotion.com/video/x2hlh8d_donations_school <br /> <br />To donate €0.79, buy this video: <br />http://www.dailymotion.com/video/x2hlubh_donations-e0-79_tech <br /> <br />To donate €0.99, buy this video: <br />http://www.dailymotion.com/video/x2hluk1_donations-e0-99_school <br /> <br />cam mate tutorial link,, also HD <br />http://youtu.be/_Wy1r59w-7k?hd=1 <br /> <br />cam mate tutorial ,, HD <br />http://youtu.be/_Wy1r59w-7k?hd=1 <br /> <br />Mesh Tutorial HD Simulation Premium 2012 <br />http://youtu.be/GImK3rlJ-Vc?hd=1 <br /> <br />Delta Wing Aircraft Tutorial <br />http://youtu.be/HJ6-mxWmdV8 <br /> <br />Bent Spring Tutorial HD <br />http://youtu.be/jW1-5MF9zbM?hd=1 <br /> <br />Aerofoil Tutorial HD <br />http://youtu.be/Buv5--gyJdQ?hd=1 <br /> <br />Rib Cutting (G-Code) Animation HD <br />http://youtu.be/zJaxp80zZcE?hd=1 <br /> <br /> <br />Specs: <br /> <br />Core i5 750 <br />DP55WB <br />6 GB <br />AMD Radeon HD 6770 1 GB <br />500 GB <br />5.1 <br />Windows 7 Ultimate 64 bit