Wanted to take this chance to thank you for writing such a lucid and at the same time complete textbook, and then going ahead and making it freely available. It

Wanted to take this chance to thank you for writing such a lucid and at the same time complete textbook, and then going ahead and making it freely available. It's the first maths textbook that I went through on my own, and might stay the only one, because any other text reads convoluted after yours.