hi W,
We have a number of 'helpers' who have both an excellent maths and electronics background, they have helped 'PG' extensively over the past months with his studies.
To name but a few, MrAl, Ratchitt, The Electrician and yourself etc.
We did find that when 'PG's maths questions were posted to the very busy General Electronics section they were scattered and difficult to follow by other members interested in the topics.
Sometimes PG had as many as five maths threads running at the same time in the General Forums.
As PG was using a reference book to teach himself electronics and maths it made sense to bring the work together in the Maths Forums in a more concise form, so that other members could benefit from his questions and the answers he was given.
Eric