Mate , its fairly easy maths if your good at maths , same as everything if your good at it its easy . I am !!!!e at maths and never even got o level , therefore I was struggling like hell , there is a lot of maths involved but nothing that cant be learnt if you need to. I got myself a tutor and was taught was was necessary . Now it doesnt seem to bad but anyone who tels you there isnt a lot of maths involved is telling porky pies . But again if you have a good standard to start with then it will be easy , if not you need to get up to speed